Mini Challenges!
New inventive challenges posted each week
139
Roll with the waves
Draw a machine that harvests energy made by the seas waves
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481
Calendar
Invent a feel-good calendar
230
Quiet work
Draw an invention that will allow you to do a job that is usually very loud, quietly
549
Heat
Invent a device that generates heat
128
TV power
Invent a sustainable energy device to power a tv
299
Leaf it out
Invent a way to keep leaves off the train tracks