Mini Challenges!
New inventive challenges posted each week
537
Kinetic
Invent something that uses kinetic energy
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82
Keepin' cool
Design clothes for animals and people that helps to keep them cool in the heat
72
Super Bowl
Design a bowl that has an extra special use or function
108
We've got the power
Invent something powered by solar energy
135
Paper
Design a new way to record information
149
Tree decoration
Invent a Christmas tree decoration that has an extra special function