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
Prev
Next
549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress
272
Flood help
Draw an invention that will help stop someone’s house from getting flooded
253
Life in space
Draw a living being that might be found in space!
337
May the fourth
Draw a star-themed invention!