Mini Challenges!
New inventive challenges posted each week
417
Warm home
Invent a new way to warm your home
Check out some other challenges
Prev
Next
71
Energy Savers
Invent an exciting, fun or unusual way to travel that uses less energy
152
Hedgehog hotel
Design a hedgehog hotel, with all the comforts it needs
364
Combat microplastics
Invent a way to combat microplastic pollution
81
Into the wild
Invent a way to protect trees and wildlife in forests
540
Cake car
Invent a vehicle made of food