How to make a leak-proof bag

How to make a leak-proof bag

Here is What You Need

Fill Ziplock bag with water.

Seal the bag.

Sharpen pencils until they have a very sharp tip.

Quickly push one pencil through the bag. Look! It's not leaking.

Now add another.

And another...and another...and another!

See how many pencils you can push through the bag.

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