Mini Challenges!
New inventive challenges posted each week
470
Sun energy
Invent a new way to make energy from the sun
Check out some other challenges
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553
Noise!
Invent a way to make a noise!
138
The sun collector
Invent a way to charge a device using energy from the sun
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
336
Hair refresh
Invent a tool that makes washing your hair easier
410
New mum
Invent something for a new mum