Mini Challenges!
New inventive challenges posted each week
365
Wind power
Draw something powered by wind
You've got the power!
Today is World Wind Day! It's a day to celebrate wind energy and renewable resources. Let's get our thinking caps on. Can you come up with a boat that runs on wind energy? Perhaps a wind-powered charger for devices?
Check out some other challenges
Prev
Next
474
Never-ending candy
Invent some never-ending candy!
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
97
Story teller
Invent a story telling device
168
Space exercise
Invent a new way to exercise in space
301
Train travel
Invent a fun way to get to the train