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21st Birthday Cards

Buy the perfect card for any occasion or individual here at Scribbler - send a funny, cheesy or downright rude card and make their day. Find exactly what you need with the filters above or search by designer for even more inspiration. If you order before 2pm, we'll dispatch on the same day too. Sorted!

21st Birthday Balloon. They're 21 - big whoop! Well done for making it this far I guess. No one really cares but any excuse to get drunk, am I right? Birthday design by Scribbler. This orange card says 21st Birthday and has a drawing of a balloon.

21st Birthday Balloon

Ensure someone has an awesome 21st birthday with this card designed by Jolly Awesome.

Twenty One

21 is a big milestone birthday so treat it as such with this brilliant Jolly Awesome card.

21 Today Bitches

21 is a confusing time because you think youre old but youre really really not. A birthday card designed by Jeffrey & Janice.

Time To Grow Up

The perfect Paper Plane card for anyone who wasn't a child prodigy. Yep, pretty much anybody.

By Your Age 21

Wish someone a very happy 21st birthday with this elegant watercolour inspired card by Portico Designs.


They are 21 and they are still a twat? Will they ever change? A birthday card designed by Cunning Linguist.

Twenty One Still A Twat

Wish them a Happy 21st Birthday with this special card by Cadell Cruse.

21 Today

They're 21 but you know diddly squat about them. Perfect Two Little Monkeys card.


You are what people see as an adult even though you feel the same as you did when you were 17. A birthday card designed by Rumble Cards.

You Are 21 Today

Oops they did it again; they're another year older! Send them a piece of you on their birthday with this 21st milestone Scribbler design, featuring Britney bitch.

21st Birthday Bitch

This birthday card by Claire Giles is all you need to make his 21st birthday extra special.

21st Star Blue

That't it, they've officially peaked! Celebrate the last milestone birthday they'll actually look forward to reaching with this funny 21st Scribbler design.

Woo Hoo Twenty One

Two whole decades sounds old, doesn't it? Send this Angela Chick 20th birthday card and see how they feel!

Wow You're 21!

Officially an adult! Send this Dean Morris card to someone who can no longer us their age as an excuse.

Who's 21

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