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WARNING:ONLY USE DISPOSABLE WATER BOTTLES! I'M NOT RESPONCIBLE FOR BROKEN NON-DISPOSABLE BOTTLES!!!
First, Get an empty watter bottle. Easy enough.
Second, fill your watter bottle to the line that I put on my bottle. (You don't have to put the line on)
Freeze your bottle. I recomend leting it freeze over night for maximum coldness duration. (Pardon my french)
Freezing the bottle right side up is the easiest way to do it, but if you want a bottle that can stand upright, then I suggest freezing it ...
If you froze the bottle upright, then skip ahead to the next step. If you froze it upsidedown, then try to manuver the chunk of ice out of ...
Just fill the rest of the bottle with water and you're done!
Dry Ice Bubblesby cheeriokate
Water Lava Lamp (learning density)by The Oakland Toy Lab
Make a Dry Ice Safety Cubeby electricunicycle
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