Mini Challenges!
New inventive challenges posted each week
184
Hypnotise
Invent something that could hypnotise someone!
Check out some other challenges
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381
Unmeltable!
Design a snack that never melts in the heat
362
Safety first
Invent something that keeps you safe
113
Light bulb moment
Invent a way to power a lightbulb without using electricity
549
Heat
Invent a device that generates heat
160
Ear muffs
Design ear muffs with a special extra function