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The leak proof bag is a high interest activity to introduce your children to polymers, specifically a polymer called low-density polyethylene (LDPE). And if you don’t care to get into the nitty gritty of the science, it just makes for a really fun experience.

Once you learn the science behind this leak-proof bag experiment, you’ll be ready to poke holes in a bag full of water while holding it over somebody’s head! It’s the perfect compliment to our 30 Science Experiments you can find in our shop!

This leak proof bag science experiment is sure to WOW your kids! All you need is two household supplies and you can do this waterleak proof bag experiment experiment with your kids.

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