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Make a Safe Homemade Lava Lamp

Safe Lava Lamp Made Using Common Household Ingredients


You can make your own lava lamp using safe household ingredients.

You can make your own lava lamp using safe household ingredients.

Anne Helmenstine

Lava lamps are interesting and cool. Have you ever wanted to make your own lava lamp? Lava lamps that you buy use high heat and toxic chemicals, but you can make a lava lamp at home using safe kitchen ingredients. Here's how:

Lava Lamp Ingredients

This lava lamp project results in a non-toxic lava lamp. The project is safe enough for kids.
  • 1-liter plastic bottle
  • vegetable oil
  • water
  • food coloring
  • alka seltzer tablets

Make a Lava Lamp

  1. Fill the bottle most of the way full with vegetable oil.


  2. Add about a tablespoon of water.


  3. Drip in a few drops of food coloring.


  4. Break an alka seltzer tablet into pieces and add them to the bottle.


  5. Seal the cap on the bottle.


  6. After the reaction is complete, you can break and add another alka seltzer tablet to make more bubbles.


  7. Feel free to shine a flashlight on the bubbles to add the 'light' part of a traditional lava lamp.
I made a lava lamp video of this project so you can see what to expect.
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