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Results so far
How many cups can you stick on your balloon at once?
Here's how kids have voted so far:
Pie chart representing percentages at right 22% 1 cup

25% 2 cups

44% more than 4 cups!


sneak peek
How's it work?
When you hold the cup to the balloon and then inflate the balloon further, the air pressure inside the cup actually decreases a bit. This means the air in the room presses the cup tightly against the balloon, holding it in place.

Want to talk about it? Go to the boards and discuss your results with other DFTVer's!

Here's what other DFTVer's are saying!
garseng with cups on balloon Garseng
I used a bunch of little cups and a huge balloon, and got 8 cups to stick at once.



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