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
306
Showing support
Invent something that shows support for another country or people
111
Good day
Invent something to cheer you up when you’re having a bad day
166
Snowman in summer
Invent a way to make a snowman last all year
235
Sun capture
Invent a tool that can capture the sunshine
418
Dry animals
Invent an umbrella to keep your favourite animal dry from the rain