Mini Challenges!
New inventive challenges posted each week
552
Upgrade
Upgrade an existing invention
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548
Lucky
Invent a way to turn your luck around
549
Heat
Invent a device that generates heat
208
Maker Challenge - Super shoe!
Invent a sensational super shoe!
163
Reindeer jumper
Design a jumper for a reindeer
139
Roll with the waves
Draw a machine that harvests energy made by the seas waves