Mini Challenges!
New inventive challenges posted each week
138
The sun collector
Invent a way to charge a device using energy from the sun
Check out some other challenges
Prev
Next
374
Running up that hill
Invent a way to run up that hill!
538
Barbie car
Design a Barbie convertible
241
Sea life protector
Draw a sea creature that helps to protect all other sea life
381
Unmeltable!
Design a snack that never melts in the heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects