So how do you create a zip lock sandwich bag with holes in it that does NOT leak when water is added? Very carefully! This is a quick experiment that is easy to do and will amaze your kids guaranteed. Simply fill a zip lock sandwich bag full of water and close it. Then take a sharpened pencil, pen, paper clip, or anything else that is sharp. Parents should obviously oversee their kids when handling sharp objects. Now take the sharp pencil and carefully push it into the bag on one side and then out the other. See the picture below.
If you're careful and don't poke an extra hole in the bag or make the original hole larger than the bag, the bag won't leak! My 5 year old was amazed by this. Continue poking objects into and through the bag.
When that's done, have fun by slowly pulling the objects out and watching the water squirt out of the bag. Just make sure to do this over a sink to avoid a mess.
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