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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135
Paper
Design a new way to record information
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
165
Roast dinner
Invent a machine that recycles your left over roast dinner
340
Doughnut creations
Draw a random object combined with a doughnut!