Mini Challenges!
New inventive challenges posted each week
230
Quiet work
Draw an invention that will allow you to do a job that is usually very loud, quietly
Check out some other challenges
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552
Upgrade
Upgrade an existing invention
411
Teacher's pet
Invent a teacher’s pet
284
The Krypton Factor
Invent and draw a krypton factor themed challenge for wildlife
306
Showing support
Invent something that shows support for another country or people
69
Move it move it
Design a way to make sustainable energy through exercising