Mini Challenges!
New inventive challenges posted each week
543
Robot guide
Invent a robot that guides you through an activity
Check out some other challenges
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262
Busy plants
Invent a gadget that would let you care for your plants when away from home
138
The sun collector
Invent a way to charge a device using energy from the sun
505
Wind
Invent something that uses wind
548
Lucky
Invent a way to turn your luck around
537
Kinetic
Invent something that uses kinetic energy