Mini Challenges!
New inventive challenges posted each week
411
Teacher's pet
Invent a teacher’s pet
Check out some other challenges
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113
Light bulb moment
Invent a way to power a lightbulb without using electricity
279
Fantasy Skate Park
Design your own fantasy skate park
358
Celebration!
Invent something to help you celebrate!
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
421
Bake!
Invent a baking machine