Mini Challenges!
New inventive challenges posted each week
513
Handy
Invent something hand-sized
Check out some other challenges
Prev
Next
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
103
Under pressure
Invent something that can reduce stress
227
Peace and quiet
Draw an invention for times when you would like peace and quiet
263
Hot car
Invent a tool that can be used to keep your car cool in hot weather