Mini Challenges!
New inventive challenges posted each week
379
Keeping cool
Invent something to keep you cool for the summer
Check out some other challenges
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549
Heat
Invent a device that generates heat
4
Ideal job
Draw yourself doing the job you want to do in 20 years time
398
Monarch butterfly
Invent a home for monarch butterflies
84
Feeling hot hot hot!
Invent a way to generate heat that uses less energy
296
Funny floor
Invent a fun floor which looks like one thing and does something completely unexpected