Mini Challenges!
New inventive challenges posted each week
196
Happy invention
Invent something that would make your friend feel happy
Check out some other challenges
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377
Terrific tennis
Design your ideal tennis court
519
Perspective
Invent something that changes your perspective
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
545
Easy morning
Invent something to make mornings easier
103
Under pressure
Invent something that can reduce stress