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Adventure Time Inspired Birthday Cards

**Prompt for AI image generation:**

*At the top of the cartoon image:*  
🎈“Erin's 18 now – time to upgrade from Candy Kingdom to Cocktail Castle!”🍹  

**Image description:**  
Create a vibrant, cartoon-style scene set in a whimsical “Adventure Time”-inspired land—no humans—filled with cheerful, absurd, and imaginative birthday chaos. In the foreground, an enchanted, grinning cake with googly eyes is leading a birthday parade of dancing party hats, slice-of-pizza warriors, and bouncing balloons with tiny swords. 

The Candy Kingdom in the background has transformed into “Cocktail Castle”—a wonky tower made of limes, glittering drink umbrellas, and fruity garnishes. Instead of people, animated soda bottles with mustaches are toasting with tiny martini glasses, while marshmallow unicorns blow confetti out of their nostrils.

Overhead, rainbow-colored banners float among flying doughnut blimps, spelling “Level 18 UNLOCKED.” Everything has a joyful, celebratory vibe, packed with clever, age-appropriate details that cheekily celebrate Erin’s official entrance into adulthood in true adventure-cartoon fashion.
Generated with these themes: Adventure time land - no people, 18 year old, and Happy birthday.
Made with ❤️ by AI.

**Prompt for AI image generation:** *At the ...

**Prompt for AI image generation:** *At the ...

At the top of the cartoon image:  
**"Erin, It's Adventure Thyme!"**

Image prompt:  
A vibrant cartoon scene in a candy-colored, whimsical land subtly inspired by Adventure Time's zany universe. A noodle-limbed version of Erin wearing a birthday crown rides a goofy-looking dragon-shaped cake across a rainbow-frosted canyon. Finn and Jake-style characters in the background hold up signs saying “Level Up, Birthday Hero!” and a sentient balloon with a monocle plays the trumpet. Flying donuts cheer her on from the skies. The entire scene pops with bright colors, exaggerated expressions, and quirky background critters watching the chaos unfold, blending surreal humor and birthday joy in true adventure style.
Generated with these themes: adventure time themed but slightly subtle.
Made with ❤️ by AI.

At the top of the cartoon image: **"Erin, I...

At the top of the cartoon image: **"Erin, I...

At the top of the image, "Erin, it's BMO-re fun getting older when your squad's made of cake, swords, and sass!"

- Illustrate a quirky cartoon scene set in a colourful, slightly off-kilter fantasy land inspired by Adventure Time.
- Erin is styled as a playful, original character wearing a mix of medieval armour and birthday party accessories (like a cake-shaped helmet or balloon sword).
- Surrounding Erin are subtle, original homages to characters from Adventure Time: a stretchy dog-like creature curled into the shape of a party hat, a magical backpack that looks suspiciously bubbly and sentient, and a talking cupcake shouting “ALWAYS PARTY TIME!”
- The sky is filled with weirdly cheerful, floating birthday balloons with expressive cartoon faces, each making a funny expression as they hover overhead.
- The mood is chaotic joy, full of cake-fuelled action and absurd, celebratory nonsense.
Generated with these themes: adventure time themed but slightly subtle.
Made with ❤️ by AI.

At the top of the image, "Erin, it's BMO-re f...

At the top of the image, "Erin, it's BMO-re f...

At the top of the cartoon image:  
**"Erin, It's Adventure Thyme!"**

Image prompt:  
A vibrant cartoon scene in a candy-colored, whimsical land subtly inspired by Adventure Time's zany universe. A noodle-limbed version of Erin wearing a birthday crown rides a goofy-looking dragon-shaped cake across a rainbow-frosted canyon. Finn and Jake-style characters in the background hold up signs saying “Level Up, Birthday Hero!” and a sentient balloon with a monocle plays the trumpet. Flying donuts cheer her on from the skies. The entire scene pops with bright colors, exaggerated expressions, and quirky background critters watching the chaos unfold, blending surreal humor and birthday joy in true adventure style.
Generated with these themes: adventure time themed but slightly subtle.
Made with ❤️ by AI.

At the top of the cartoon image: **"Erin, I...

At the top of the cartoon image: **"Erin, I...

At the top of the image, "Erin the Human! May your birthday quest be full of cake quests and zero side quests!"

- Create a whimsical cartoon-style scene inspired subtly by Adventure Time: Erin (cartoonified) wearing a homemade Finn-style hat (but in purple instead of white), rides a balloon-animal unicorn over a surreal birthday landscape — melting ice cream mountains, rivers of fizzy pop, and candy cane trees.
- Behind her floats a floating birthday cake-shaped castle with little characters popping out and tossing sprinkles like confetti.
- A sarcastic talking snail with a party hat trails behind holding a “Level Up, Birthday Hero!” flag.  
- Style is bold, colourful, and eccentric with a joyful, slightly chaotic vibe.
Generated with these themes: adventure time themed but slightly subtle.
Made with ❤️ by AI.

At the top of the image, "Erin the Human! May...

At the top of the image, "Erin the Human! May...

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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.

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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!

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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.

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