Mini Challenges!
New inventive challenges posted each week
222
Stair chair
Invent a wheelchair that can go up and down stairs
Check out some other challenges
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299
Leaf it out
Invent a way to keep leaves off the train tracks
294
Dry fruit and veg
Invent a way of growing food in dry countries
107
Challenge yourself
Draw or make your own challenge maker machine
446
Fishing nets
Create a use for recycled fishing nets
103
Under pressure
Invent something that can reduce stress