Mini Challenges!
New inventive challenges posted each week
295
Party entrance
Invent a funny way to say hello to guests arriving at a party
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
433
Asteroid rubble
Make something out of asteroid rubble
116
Special mask
Invent a face mask with an extra special function
337
May the fourth
Draw a star-themed invention!
216
Nature energy
Invent a gadget that produces sustainable energy using nature