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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104
Working from home
Invent something to help people working from home
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
103
Under pressure
Invent something that can reduce stress
159
2 Metre Cracker
Design a Christmas cracker that’s 2 metres long