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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445
Stargazing
Make a stargazing invention
494
Hobbit house
Design a house inspired by a story
300
Litter picker
Invent a fun way to collect litter on train platforms
358
Celebration!
Invent something to help you celebrate!
272
Flood help
Draw an invention that will help stop someone’s house from getting flooded