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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139
Roll with the waves
Draw a machine that harvests energy made by the seas waves
161
Magic Tree
Draw a magical tree
198
Maker Challenge - Tiny home!
Invent a spectacular tiny home
525
Natures home
Design a house grown from nature
28
Flight of the bumblebee
Design flying machines inspired by birds and insects