⭐ 20% OFF when you set 3 birthday reminders
⭐ 20% OFF when you set 3 birthday reminders · Set reminders

Stranger Things Birthday Cards

Send a birthday laugh to your friend with this playful mash-up of Tyranids, Pokémon, and Stranger Things—perfect for a nerdy moment that will brighten their day. It’s funny, warm, and just the note you want to send to someone who loves a good laugh.

Send a birthday laugh to your friend with thi...

Send a birthday laugh to your friend with thi...

Send this playful birthday card to your best friend—a perfect blend of Stranger Things whimsy and a cheeky London twist that will make them smile. Warm, funny, and full of cheer, it’s the ideal way to celebrate friendship on their special day.

Send this playful birthday card to your best ...

Send this playful birthday card to your best ...

Celebrate your friend's birthday with a playful blend of Stranger Things vibes and London charm—funny, warm, and perfect for a friend who loves a good mystery. It’s a note that says you’re cheering them on with humor, heart, and a touch of whimsy.

Celebrate your friend's birthday with a playf...

Celebrate your friend's birthday with a playf...

Celebrate your amazing friend with a Stranger Things-inspired birthday card that blends playful humor with warm, heartfelt vibes. It’s the perfect way to say happy birthday and that you’re grateful to have them in your life.

Celebrate your amazing friend with a Stranger...

Celebrate your amazing friend with a Stranger...

Celebrate your amazing son with a birthday card brimming with Stranger Things whimsy and a friendly Demogorgon moment. May the day be filled with cozy catnaps, sunny dogdays, and all the cute, heartfelt moments that make him smile.

Celebrate your amazing son with a birthday ca...

Celebrate your amazing son with a birthday ca...

Celebrate your dear son's birthday with this cute Stranger Things-inspired card—warm, playful, and full of love. A perfect keepsake to tell him how proud you are and wish him a day full of magic and big adventures.

Celebrate your dear son's birthday with this ...

Celebrate your dear son's birthday with this ...

Delightfully absurd birthday card for a son who loves Stranger Things, chess, bouldering, and chocolate. Send a warm wish that celebrates his bold climbs, clever moves, and sweet moments on his special day.

Delightfully absurd birthday card for a son w...

Delightfully absurd birthday card for a son w...

Send a birthday wish that's wonderfully warm and delightfully absurd, with a Stranger Things-inspired twist your son will love. It's the perfect note to say you're celebrating him today—and every day.

Send a birthday wish that's wonderfully warm ...

Send a birthday wish that's wonderfully warm ...

Bright, cute, and full of Stranger Things whimsy, this vibrant birthday card features a charming demogorgon among twinkling colors—perfect for your daughter. Send it with love on her special day and watch her smile light up the room.

Bright, cute, and full of Stranger Things whi...

Bright, cute, and full of Stranger Things whi...

Celebrate your daughter with this cute Stranger Things-inspired birthday card for BUG—the purple-loving, bow-wearing star who plays basketball, cheers, dances, and loves being silly. A friendly Demogorgon and Upside-Down whimsy wrap her day in warmth and joy.

Celebrate your daughter with this cute Strang...

Celebrate your daughter with this cute Strang...

Celebrate your artistic, music-loving son turning 18 with a funny, heartfelt birthday card that nods to art, singing, musical theatre, fashion—and a playful Stranger Things wink. Warm, cheeky, and perfect for sending love as he steps into adulthood.

Celebrate your artistic, music-loving son tur...

Celebrate your artistic, music-loving son tur...

Send a big, goofy hug with this funny birthday card featuring a cute Demogorgon from Stranger Things. Perfect for a boy turning 10, it blends playful mischief with warm wishes he’ll treasure.

Send a big, goofy hug with this funny birthda...

Send a big, goofy hug with this funny birthda...

Celebrating turning 10 with a Stranger Things-inspired bike-riding vibe, this funny, warm card is perfect for sending a birthday smile to someone special.

Celebrating turning 10 with a Stranger Things...

Celebrating turning 10 with a Stranger Things...

At the top of the Cartoon Style image, place the text "Happy Birthday Ryan xx" in big, chunky, neon 8‑bit-meets-runic letters with a bold outline and a soft glow. Create a large, vibrant, funny Cartoon Style scene with playful characters, exaggerated proportions, thick outlines, bright saturated colors, and energetic poses: Center stage is a cheerful Viking software developer hero on a glitter-sparkling Eurovision-style stage shaped like a Dungeons & Dragons dungeon grid. He wields a giant cheese wheel as a shield and a glowing game controller as a sword, with a chonky d20 dangling from his belt. His hoodie is patterned with oversized code glyphs (curly braces, angle brackets, semicolons), and a tiny dragon sits on his monitor wearing gamer headphones. Around him: a fondue cauldron bubbles like a potion, wedges of cheese stack like loot, and enormous dice scatter across the floor. Above, a goofy “Upside Down” portal (Stranger Things vibe) ripples in the sky, trailing inky vines and floating dust motes; a silly shadowy creature in a party hat peers out, reaching for a runaway cheese wedge on a string. Stage lighting blasts rainbow beams and confetti, with a glittery Eurovision microphone trophy on a pedestal. On one side, a bardy elf belts into a mic while rolling a d20; on the other, a longship-shaped PC tower glows with RGB runes. Pixel hearts, retro HUD icons, and arcadey power-up sprites bob through the air. Everything feels bouncy, celebratory, and slightly chaotic. Add one small, cheeky speech bubble near the Viking coder: "Roll crits, ship code, win 12 points!" No other text in the scene. Color palette: electric blues, hot pinks, acid greens, sunshine yellows; thick ink-black outlines and lively, comedic expressions. Dynamic three-quarter angle, full-bleed composition. Generated with these themes: Cheese, Stranger things, Gaming, Software developer, Eurovision, Vikings, Dungeons and Dragons, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, place the text "Happy Birthday Ryan xx" in big, chunky, neon 8‑bit-meets-runic letters with a bold outline and a soft glow. Create a large, vibrant, funny Cartoon Style scene with playful characters, exaggerated proportions, thick outlines, bright saturated colors, and energetic poses: Center stage is a cheerful Viking software developer hero on a glitter-sparkling Eurovision-style stage shaped like a Dungeons & Dragons dungeon grid. He wields a giant cheese wheel as a shield and a glowing game controller as a sword, with a chonky d20 dangling from his belt. His hoodie is patterned with oversized code glyphs (curly braces, angle brackets, semicolons), and a tiny dragon sits on his monitor wearing gamer headphones. Around him: a fondue cauldron bubbles like a potion, wedges of cheese stack like loot, and enormous dice scatter across the floor. Above, a goofy “Upside Down” portal (Stranger Things vibe) ripples in the sky, trailing inky vines and floating dust motes; a silly shadowy creature in a party hat peers out, reaching for a runaway cheese wedge on a string. Stage lighting blasts rainbow beams and confetti, with a glittery Eurovision microphone trophy on a pedestal. On one side, a bardy elf belts into a mic while rolling a d20; on the other, a longship-shaped PC tower glows with RGB runes. Pixel hearts, retro HUD icons, and arcadey power-up sprites bob through the air. Everything feels bouncy, celebratory, and slightly chaotic. Add one small, cheeky speech bubble near the Viking coder: "Roll crits, ship code, win 12 points!" No other text in the scene. Color palette: electric blues, hot pinks, acid greens, sunshine yellows; thick ink-black outlines and lively, comedic expressions. Dynamic three-quarter angle, full-bleed composition. Generated with these themes: Cheese, Stranger things, Gaming, Software developer, Eurovision, Vikings, Dungeons and Dragons, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, place the text "Happy Birthday Ryan xx" in big, chunky, neon 8‑bit-meets-runic letters with a bold outline and a soft glow. Create a large, vibrant, funny Cartoon Style scene with playful characters, exaggerated proportions, thick outlines, bright saturated colors, and energetic poses: Center stage is a cheerful Viking software developer hero on a glitter-sparkling Eurovision-style stage shaped like a Dungeons & Dragons dungeon grid. He wields a giant cheese wheel as a shield and a glowing game controller as a sword, with a chonky d20 dangling from his belt. His hoodie is patterned with oversized code glyphs (curly braces, angle brackets, semicolons), and a tiny dragon sits on his monitor wearing gamer headphones. Around him: a fondue cauldron bubbles like a potion, wedges of cheese stack like loot, and enormous dice scatter across the floor. Above, a goofy “Upside Down” portal (Stranger Things vibe) ripples in the sky, trailing inky vines and floating dust motes; a silly shadowy creature in a party hat peers out, reaching for a runaway cheese wedge on a string. Stage lighting blasts rainbow beams and confetti, with a glittery Eurovision microphone trophy on a pedestal. On one side, a bardy elf belts into a mic while rolling a d20; on the other, a longship-shaped PC tower glows with RGB runes. Pixel hearts, retro HUD icons, and arcadey power-up sprites bob through the air. Everything feels bouncy, celebratory, and slightly chaotic. Add one small, cheeky speech bubble near the Viking coder: "Roll crits, ship code, win 12 points!" No other text in the scene. Color palette: electric blues, hot pinks, acid greens, sunshine yellows; thick ink-black outlines and lively, comedic expressions. Dynamic three-quarter angle, full-bleed composition. Generated with these themes: Cheese, Stranger things, Gaming, Software developer, Eurovision, Vikings, Dungeons and Dragons, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, place ...

At the top of the Cartoon Style image, the text "Happy Birthday Nadia" twinkling as colorful alphabet string lights in bright neon candy colors. A cute, playful Stranger Things scene in a bold, thick-outlined Cartoon Style: - Center focus: A chibi Demogorgon with exaggerated proportions (big petal head like a friendly flower, tiny arms and legs), wearing a polka-dot party hat, joyfully hugging a sprinkle-covered cupcake. Its petal interior is stylized with pink frosting tones and star sprinkles (no scary teeth), giving it an adorable, non-threatening look. One little hand holds a shiny star balloon. - Setting: A Hawkins-inspired forest clearing at pastel dusk, with pine trees and cozy suburban silhouettes (water tower and small-town rooftops) in the distance. Strings of festive fairy lights drape between trees, casting a soft glow. Retro 80s bikes lean against a fence for that Hawkins vibe. - Whimsical “Upside Down” touch: The ground subtly mirrors the scene below in a dreamy, pastel-blue reflection with friendly, swirly vines and floating sparkles—cute, not creepy. - Birthday energy: Bright saturated palette (electric blues, neon pinks, mint greens, lemon yellows), confetti and streamers swirling, dynamic cartoon motion lines, and soft bubbly highlights. Thick inked outlines, soft shading, and glossy sticker-like surfaces for a fun, playful finish. - Composition: Vertical portrait with generous image area; the glowing headline at the top; main character large in the middle; space at the bottom for a tiny caption. At the bottom of the image, add a small, cheeky caption in a hand-lettered neon glow: "Have an Upside-Down-derful day!" Generated with these themes: Stranger Things, Demogorgon, Hawkins, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, the te...

At the top of the Cartoon Style image, the te...

At the top of the Cartoon Style image, the text "Happy Birthday Nadia" twinkling as colorful alphabet string lights in bright neon candy colors. A cute, playful Stranger Things scene in a bold, thick-outlined Cartoon Style: - Center focus: A chibi Demogorgon with exaggerated proportions (big petal head like a friendly flower, tiny arms and legs), wearing a polka-dot party hat, joyfully hugging a sprinkle-covered cupcake. Its petal interior is stylized with pink frosting tones and star sprinkles (no scary teeth), giving it an adorable, non-threatening look. One little hand holds a shiny star balloon. - Setting: A Hawkins-inspired forest clearing at pastel dusk, with pine trees and cozy suburban silhouettes (water tower and small-town rooftops) in the distance. Strings of festive fairy lights drape between trees, casting a soft glow. Retro 80s bikes lean against a fence for that Hawkins vibe. - Whimsical “Upside Down” touch: The ground subtly mirrors the scene below in a dreamy, pastel-blue reflection with friendly, swirly vines and floating sparkles—cute, not creepy. - Birthday energy: Bright saturated palette (electric blues, neon pinks, mint greens, lemon yellows), confetti and streamers swirling, dynamic cartoon motion lines, and soft bubbly highlights. Thick inked outlines, soft shading, and glossy sticker-like surfaces for a fun, playful finish. - Composition: Vertical portrait with generous image area; the glowing headline at the top; main character large in the middle; space at the bottom for a tiny caption. At the bottom of the image, add a small, cheeky caption in a hand-lettered neon glow: "Have an Upside-Down-derful day!" Generated with these themes: Stranger Things, Demogorgon, Hawkins, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, the te...

At the top of the Cartoon Style image, the te...

At the top of the Cartoon Style image, the text "Happy Birthday Nadia" twinkling as colorful alphabet string lights in bright neon candy colors. A cute, playful Stranger Things scene in a bold, thick-outlined Cartoon Style: - Center focus: A chibi Demogorgon with exaggerated proportions (big petal head like a friendly flower, tiny arms and legs), wearing a polka-dot party hat, joyfully hugging a sprinkle-covered cupcake. Its petal interior is stylized with pink frosting tones and star sprinkles (no scary teeth), giving it an adorable, non-threatening look. One little hand holds a shiny star balloon. - Setting: A Hawkins-inspired forest clearing at pastel dusk, with pine trees and cozy suburban silhouettes (water tower and small-town rooftops) in the distance. Strings of festive fairy lights drape between trees, casting a soft glow. Retro 80s bikes lean against a fence for that Hawkins vibe. - Whimsical “Upside Down” touch: The ground subtly mirrors the scene below in a dreamy, pastel-blue reflection with friendly, swirly vines and floating sparkles—cute, not creepy. - Birthday energy: Bright saturated palette (electric blues, neon pinks, mint greens, lemon yellows), confetti and streamers swirling, dynamic cartoon motion lines, and soft bubbly highlights. Thick inked outlines, soft shading, and glossy sticker-like surfaces for a fun, playful finish. - Composition: Vertical portrait with generous image area; the glowing headline at the top; main character large in the middle; space at the bottom for a tiny caption. At the bottom of the image, add a small, cheeky caption in a hand-lettered neon glow: "Have an Upside-Down-derful day!" Generated with these themes: Stranger Things, Demogorgon, Hawkins, and . Made with ❤️ by AI.

At the top of the Cartoon Style image, the te...

At the top of the Cartoon Style image, the te...

At the top of the Surreal Style image, the text reads: "Happy Birthday Elliot!" --- **Image Prompt:** In a whimsical and dreamlike scene, an upside-down bicycle floats in mid-air with its wheels replaced by spinning vinyl records, their grooves radiating colorful sound waves into the air. Above, an elephant with butterfly wings gracefully flutters across a sky streaked with glowing neon lightning bolts. Below, a giant waffle towers like a skyscraper, and from its syrupy top, an exaggeratedly long straw curls, leading to a cup of steaming hot chocolate resting atop a levitating table set with mismatched teacups and spoons that twist and dance. Near the horizon, a rainbow waterfall cascades upwards into the sky, where an oversized moon made of Swiss cheese looks down, winking playfully. In the bottom right corner, a tiny figure of Elliot is seen parachuting with a cupcake-shaped parachute, a look of gleeful surprise on his face. Text on the table reads: "Stranger Birthday Things Happen!" Generated with these themes: Stranger things, and . Made with ❤️ by AI.

At the top of the Surreal Style image, the te...

At the top of the Surreal Style image, the te...

At the top of the Surreal Style image, the text reads: "Happy Birthday Elliot!" --- **Image Prompt:** In a whimsical and dreamlike scene, an upside-down bicycle floats in mid-air with its wheels replaced by spinning vinyl records, their grooves radiating colorful sound waves into the air. Above, an elephant with butterfly wings gracefully flutters across a sky streaked with glowing neon lightning bolts. Below, a giant waffle towers like a skyscraper, and from its syrupy top, an exaggeratedly long straw curls, leading to a cup of steaming hot chocolate resting atop a levitating table set with mismatched teacups and spoons that twist and dance. Near the horizon, a rainbow waterfall cascades upwards into the sky, where an oversized moon made of Swiss cheese looks down, winking playfully. In the bottom right corner, a tiny figure of Elliot is seen parachuting with a cupcake-shaped parachute, a look of gleeful surprise on his face. Text on the table reads: "Stranger Birthday Things Happen!" Generated with these themes: Stranger things, and . Made with ❤️ by AI.

At the top of the Surreal Style image, the te...

At the top of the Surreal Style image, the te...

Wall of Love

Don't just take our word for it - hear from our amazing customers

What a breath of fresh air! Silly Robot Cards have bypassed any card manufacturer with their AI technology to capture the imagination and produce truly personalised greetings cards. Real people respond to queries with real time help and support. A BIG high five to Silly Robots! 🙌 🤖

Hayley Quince - What a breath of fresh air!

What a great idea! You pick things that the person likes and this company makes an illustrated card including all the things you chose. I added his love of fishing, the dog, and his awful jokes - the card was perfect. Brilliant idea. Card arrived, lovely quality.

Sue Blair - Ordering for her dad's 60th

I am absolutely thrilled to pieces with the valentines card I bought on this website, it is just too brilliant to put into words! I included our cat and his obsession with Formula 1. Where other card websites failed, Silly Robot Cards absolutely have come up trumps!

Sarah Salt - Valentine's card for her husband

Finally a card that actually gets her! Mum loves her tabby cat, Strictly Come Dancing, and a glass of red wine - and now she has a card with all three. The kids couldn't believe it. She's keeping it forever.

Carol M - Ordering for her mum's 70th

3,300+

Happy Customers

4.4

Average Rating

120,000+

Cards Created

Example Printed AI Cards

High quality prints supplied with an envelope, delivered worldwide.

Example personalised card 1
Example personalised card 2
Example personalised card 3
Example personalised card 4

Starting from $3.99 | USA offers: 2 cards for $7 or 3 cards for $10 | Worldwide Shipping | Multi-pack Options Available

Frequently Asked Questions


How much does it cost?

Single cards cost $3.99. In the US you can grab any two for $7 or go three for $10.

Cards are printed and supplied with a paper envelope and a protective biodegradable OPP bag.

How long does it take for a card to arrive?

It typically takes 5 business days to arrive.

Shipping options for the USA are as follows:

OptionCourierPrice
Standard (5-12 business days)N/A$4.99
Expedited (3-5 business days)N/A$10.36
Overnight (1-2 business days)N/A$20.20

What size is the card?

5.5 x 5.5 inches (140 x 140mm)

Can I personalise the card?

Yes, you can write a message on the inside of the card from the basket page.

How do I send a card?

After creating a card, you can add it to your basket and checkout.

What quality is the card?

The card is a glossy card.

Supplied with a paper envelope and a protective biodegradable OPP bag.

What happens to my pictures after uploading?

All uploaded pictures are deleted within 30 days.

Environmental Impact

See how we're reducing our impact on the environment


Water-based inks icon

Water-based inks

Printed using water based inks.

Sustainabily sourced icon

Sustainably sourced paper or wood

From sustainable forests.

Vegan-friendly icon

Vegan-friendly

Contains no animal products.

Recyclable

Can be recycled.

logo
TwitterFacebookInstagram

Explore

SearchBlogAboutContact Us

Policies

Refunds & Returns PolicyAcceptable Use PolicyTerms of ServiceCookies PolicyPrivacy Policy

Operated by Gleeboard Ltd

© 2026 Silly Robot Cards. All rights reserved