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
548
Lucky
Invent a way to turn your luck around
103
Under pressure
Invent something that can reduce stress
520
Beat plastic
Invent something to beat plastic pollution!
46
Hug yourself
Invent something to make yourself giggle
63
Rubbish roads
Invent a new way to collect rubbish from the streets