How to Make Liquid Motion Toys

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The retro lava lamp is the original liquid motion toy.
The retro lava lamp is the original liquid motion toy. (Image: Jupiterimages/liquidlibrary/Getty Images)

Since the 1970s, liquid motion toys have been entertaining and are slow-moving distractions for people of all ages. The lava lamp was the first object to use liquid motion, which is a composed of oil and water. Nowadays, liquid motion toys come in the form of desk paperweights, pencils and snow-globe type domes. Decorate your home, office, or clasroom with this simple, kid-friendly recipe to make a liquid motion toy.

Things You'll Need

  • Plastic or glass beverage bottle with cap
  • Funnel
  • Vegetable oil
  • Food coloring
  • Effervescent antacid tablet (e.g., Alka-Seltzer) or salt
  • Water

Empty and clean the contents of the bottle. Place a funnel in the mouth of the bottle. Pour vegetable oil into the bottle until it is three-quarters full.

Pour one cup of water into a separate container. Squeeze a few drops of food coloring into the water and stir. Fill the remainder of the bottle with the colored water.

Break the antacid tablet into small pieces. Drop one piece into the mixture and wait for it to dissolve completely before adding the next piece. Continue adding the rest of the pieces in this manner. Do not shake or stir the bottle. If you are using salt instead of the antacid, pour a few tablespoons of salt into the mixture, until the oil begins to form a glob and sink to the bottom.

Replace the cap on the bottle and screw tightly. Tip the bottle to see the liquid motion commence.

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