Mini Challenges!
New inventive challenges posted each week
541
Alone time
Invent a place of relaxation for one
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103
Under pressure
Invent something that can reduce stress
108
We've got the power
Invent something powered by solar energy
149
Tree decoration
Invent a Christmas tree decoration that has an extra special function
83
Sunny side
Make a sunburst cardboard sundial clock
67
Waste not
Invent a way to help people waste less food.