Mini Challenges!
New inventive challenges posted each week
220
Rain cloud rain!
Draw an invention that will make the clouds produce rain
Check out some other challenges
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94
All the world's a stage
Design your own theatre or stage to perform on
262
Busy plants
Invent a gadget that would let you care for your plants when away from home
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
299
Leaf it out
Invent a way to keep leaves off the train tracks
351
Smart accessory
Invent a smart accessory