We use cookies to help make our website better. We'll assume you're OK with this if you continue. You can change your Cookie Settings any time.

Cookie SettingsOK
Take a Mini Challenge!
Upload ideas!

Mini Challenges!

New inventive challenges posted each week

500

Time travel

Invent a time-travelling machine
Random challenge

Check out some other challenges

499

Two minds

Invent a way to connect two minds
515

Colour sorter

Invent a colour sorting machine
12

Sparkling smile

Draw an invention to brush your teeth without a toothbrush
103

Under pressure

Invent something that can reduce stress
368

New doll

Design a new type of doll
Want to find something specific?
See all challenges
Subscribe to our Mini Challenges emails
Send your own challenge for us to consider and publish
Submit your own Challenge

Time travel Ideas