On the front of this imaginative birthday card, envision a bustling post office from a small whimsical town, where all the parcels and letters have come alive to throw a surprise party for Colin. The walls are lined with tall shelves overflowing with colorful packages wrapped in vibrant papers, some with polka dots and others with bold stripes, each stamped with whimsical postage marks. In the center, a gigantic, anthropomorphized envelope, complete with googly eyes and a big grin, is holding a banner that reads "Happy Birthday Colin!" in bright, bold letters. Beneath the banner, there's a parcel-shaped cake topped with frosting that looks like a postal stamp, with little edible paper airplanes made of sugar soaring around it. Surrounding the cake are letterbox-shaped stools where lively, tiny stamp characters are seated, chattering and toasting with miniature ink bottle cups. At the back, a TV is set in an old-fashioned wooden frame, playing a special episode of the fictitious series "Signed, Sealed, Delivered" on a loop, featuring animated letters delivering themselves to party guests. In the sky-blue backdrop through a wide-open window, fluffy clouds spell out "Colin" in a playful, cursive style, while a friendly, cartoonish postman made entirely of mailbags waves cheerily from the corner, tipping his hat. This card captures a festive, postal-inspired world where letters and parcels celebrate Colin's special day in style.

Generated with these themes: Tv series signed, sealed, delivered.

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