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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149
Tree decoration
Invent a Christmas tree decoration that has an extra special function
502
All weather car
Design a weatherproof car
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
1
Keep your distance
Draw an invention to keep people two metres apart
272
Flood help
Draw an invention that will help stop someone’s house from getting flooded