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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439
Topiary
Draw your own topiary (bush sculpture)
548
Lucky
Invent a way to turn your luck around
1
Keep your distance
Draw an invention to keep people two metres apart
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
103
Under pressure
Invent something that can reduce stress