Mini Challenges!
New inventive challenges posted each week
350
Secret Message
Invent a way to send a secret message
Top secret!
There are many ways to send secret messages! Whether you choose to communicate in code or use the element of surprise, think up a way to get your message across in a top secret way...
Check out some other challenges
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10
For teacher
Draw or make an invention for your teacher
307
Safe house
Invent a home that is very safe and can move anywhere!
549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress
261
Tim the rabbit
Draw clothing for rabbits and other woodland creatures