21st Birthday Gifts
Lost Treasures:
Sometimes the coolest gifts are the ones you can't find on the first page. These are our lost treasures, hidden gems that are just waiting to be discovered by you!
Welcome to the 21st Birthday Gifts Department
CoolThings Australia makes the experience of selecting memoriable gifts to give family and friends fun! Our wide range of 21st Birthday Gifts are unique, fun and creative. We love to bring the coolest gifts to gift givers who are shopping for 21 year olds. Our cool gifts are also an ideal birthday gift, Christmas gift or just a fun present idea! Browse the personally curated range above.
Also check out the great range of iconic collectables from the Star Wars, Marvel, Doctor Who, Harry Potter and many other universes!
Best 21st Birthday Gifts In 2026
We've collated a most popular list of the coolest gifts for 21 year olds this year. As voted by cool gift givers like you! This list contains the all time favourite 21st Birthday Gifts that we've shipped all over Australia.
1. Astronaut Ice Cream
Take your taste buds on an adventure with all new Astronaut Ice Cream. This official NASA approved Ice Cream is a handy light snack for taking into orb...
2. Duncan - The Drinking Bird
Duncan the Drinking Bird is a fun desktop companion and classic novelty item. Fill a glass with cold water and submerge his head in the water getting it co...
3. Stab It Syringe Pen
a fun accessory for a doctor, nurse, surgeon or scientist, these classic pens feature red or blue liquid, realistic detailing, black writing ink....
4. Mysterious Puzzle Box Two Pack
With this Mysterious Puzzle Box Two Pack you'll receive two Mysterious Puzzle Boxes randomly chosen by our very own on staff Turkish wise man....
5. The Element of Denial Mug
This Element of Denial Mug is a light-hearted and fun way of letting someone know they need to face the truth and confront their fears....
6. 10 in 1 Credit Card Multitool
This 10-in-1 credit card sized multi-tool is slim, portable and fits in your wallet. Thats right, it IS possible to fit three different wrenches, a can ope...
7. Astronaut Ice Cream 5 Pack
With this awesome Astronaut Ice Cream 5 Pack you get five packets of rich creamy vanilla freeze dried ice cream....
8. Dual Weather Station
The Dual Weather Station is an exciting combination of two super successful historical weather devices....
9. The Fart Button
With 10 fart noises and accompanying explanations, The Fart Button is full of hilarious, low-maturity sound effects....
10. Always Find a Reason to Laugh Print
Take these wise words on board and laugh today, laugh every day, and let yourself really live....
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