Mini Challenges!
New inventive challenges posted each week
216
Nature energy
Invent a gadget that produces sustainable energy using nature
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
543
Robot guide
Invent a robot that guides you through an activity
207
Maker Challenge - Helping machine!
Invent a helping machine
13
Mind reader
Draw a mind reading machine
442
Picnic
Invent something to use on a picnic