Mini Challenges!
New inventive challenges posted each week
152
Hedgehog hotel
Design a hedgehog hotel, with all the comforts it needs
Check out some other challenges
Prev
Next
549
Heat
Invent a device that generates heat
285
Hedgehog road
Draw an invention that will help a hedgehog cross the road safely
529
Umbrella
Invent a special umbrella
428
Bathroom jungle
Draw a jungle in your bathroom
28
Flight of the bumblebee
Design flying machines inspired by birds and insects