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Beautiful ice bowl.

Beautiful ice bowl.

If you are looking for some cold weather fun, you can try this fun activity. Last night my kids filled a bunch of balloons with water and left them in the front yard to freeze overnight.

Fill your balloons and leave them out to freeze.

Fill your balloons and leave them out to freeze.

It’s not cold enough yet for them to freeze all the way through, but we got some really interesting bowls and domes.

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As it gets colder, the balloons will probably freeze all the way through overnight. So you may have to catch the weather just right to get these beauties.

Andrew Terranova

Andrew Terranova is an electrical engineer, writer and an electronics and robotics hobbyist. He is an active member of the Let’s Make Robots community, and handles public relations for the site.
Andrew has created and curated robotics exhibits for the Children’s Museum of Somerset County, NJ and taught robotics classes for the Kaleidoscope Learning Center in Blairstown, NJ and for a public primary school. Andrew is always looking for ways to engage makers and educators.



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  2. trkemp says:

    I’ll bet if you froze the balloons in a water filled trashcan with some salt or sugar in it your ice balls would be rounder.

    1. Could be. Though plunging your hands into freezing temperature water to retrieve them doesn’t sound like fun!
      Actually, I quite like the odd shapes they came out in.

  3. Scott Tuttle says:

    also if you use hot water wouldnt that make the ice clearer?

    1. I’m not sure starting with hot water would make them any clearer. I know if you have tiny abrasions on the surface, applying some heat will re-melt the ice and clear them up.

  4. SuperTango says:

    This is fun. If you put little plastic dinosaurs (or similar) in the balloons first, you can make dino ice eggs. Had fun doing this with my kid. :)

    1. What an awesome idea. I love it!

  5. Lorrie Jagiello says:

    They are beautiful and remind me of jelly fish. i’ll let my kids add watercolors or food coloring to the water then take pictures.

    1. I think my kids added food coloring to a couple of theirs, but maybe they didn’t add enough. Good luck, I hope your kids have a blast.

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