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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356
New discoveries
Invent something to help a scientist
181
Space hair
Draw an invention that will help you to look your best in space
235
Sun capture
Invent a tool that can capture the sunshine
449
Solar equipment
Draw a piece of equipment which is now powered using solar energy instead of electricity
549
Heat
Invent a device that generates heat