Mini Challenges!
New inventive challenges posted each week
477
Coral reefs
Invent a way to help coral reefs
Check out some other challenges
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549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
343
Talk it out
Invent a way to make a new friend
138
The sun collector
Invent a way to charge a device using energy from the sun
103
Under pressure
Invent something that can reduce stress