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Build something fun in these Snacks, and learn something too.
Build a rubber-band-powered rolling plastic water bottle.
Two cylinders that look the same may roll downhill at different rates.
If you blow harder, will it go farther?
Make beautiful music with sticks, straws, and rubber bands.
Square wheels roll smoothly on a round road.
This surprising instrument is fun to make—and even more fun to play.
Short bursts of moving images produce some interesting effects.
Without depth perception, random lines can become a chair!
Make yogurt from yogurt.
Give flight a spin with the Magnus effect.
Compare the brightness of two light sources with an oil spot on a white card.
Your experience of the world influences what you see.
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