Mini Challenges!
New inventive challenges posted each week
500
Time travel
Invent a time-travelling machine
Check out some other challenges
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381
Unmeltable!
Design a snack that never melts in the heat
534
Reusable
Invent a reusable item
411
Teacher's pet
Invent a teacher’s pet
296
Funny floor
Invent a fun floor which looks like one thing and does something completely unexpected
318
Alarm clock
Invent a really unique alarm clock to wake you up!