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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164
Jolly companion
Invent a jolly companion to keep you company today
374
Running up that hill
Invent a way to run up that hill!
307
Safe house
Invent a home that is very safe and can move anywhere!
551
Ghost
Draw an invention for a ghost
396
Protect animals
Invent something for animal conservation