How to Make Water Marbles

Written by kassie kleifgen
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How to Make Water Marbles
Water marbles look very similar to real marbles. (marbles 1 image by Eric E from

A common misconception about water marbles is that they are made completely out of water. Water marbles actually contain no water at all, but are made out of household products that combined appear to be marbles made out of water. Making these marbles takes a basic knowledge of chemistry and household products. Getting the mixture to its perfect texture requires estimating on measurements.

Skill level:
Moderately Easy

Things you need

  • 2 tsp baking soda
  • Vinegar
  • Freezer
  • Small drinking glass
  • Large drinking glass
  • Stove
  • Medium sauce pan
  • Small plastic container
  • 1/2 cup Calcium bicarbonate
  • 1/2 cup Iodized salt
  • Mixing spoon

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  1. 1

    Make sodium acetate by combining about one teaspoon of baking soda and a few drops of vinegar. Mix these two products by carefully swirling the mixture in the cup. Add one more teaspoon of baking soda and a few more drops of vinegar and repeat the mixing.

  2. 2

    Set the sodium acetate in the freezer for ten minutes then remove from freezer.

  3. 3

    Pour a half cup of calcium bicarbonate into the sodium acetate in a taller glass cup. The mixture will bubble up for a few seconds. Wait for the mixture to calm down and mix the combination by moving the glass in the same circular motion.

  4. 4

    Pour a half cup of ionised salt into the newly formed mixture and mix.

  5. 5

    Pour the mixture into a medium sauce pan and bring to a boil. Boil the mixture for seven minutes. Stir the mixture continually.

  6. 6

    Pour the mixture into a plastic container and let it sit for 15 minutes. The mixture should turn into a gel.

  7. 7

    Reach your hand in the mixture, grab some of the mixture and pull it out of the container. When the substance is in contact with the air it loses its polar ability and sticks to itself. This causes it to become small solid water spheres.

Tips and warnings

  • Make sure you mix all the combinations very thoroughly.
  • Use only the products listed. Mixing products you are not familiar with can be harmful.

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