Mini Challenges!
New inventive challenges posted each week
300
Litter picker
Invent a fun way to collect litter on train platforms
Check out some other challenges
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478
Clean clothes
Invent something to help you clean your clothes
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
320
Mountain climber
Invent something to help you climb a mountain!
548
Lucky
Invent a way to turn your luck around