Mini Challenges!
New inventive challenges posted each week
514
Scarecrow
Invent a super scarecrow
Check out some other challenges
Prev
Next
545
Easy morning
Invent something to make mornings easier
549
Heat
Invent a device that generates heat
444
Move it!
Invent a way to create energy from movement
548
Lucky
Invent a way to turn your luck around
71
Energy Savers
Invent an exciting, fun or unusual way to travel that uses less energy