Mini Challenges!
New inventive challenges posted each week
160
Ear muffs
Design ear muffs with a special extra function
Check out some other challenges
Prev
Next
553
Noise!
Invent a way to make a noise!
103
Under pressure
Invent something that can reduce stress
284
The Krypton Factor
Invent and draw a krypton factor themed challenge for wildlife
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
549
Heat
Invent a device that generates heat