plastic bottle + vegetable oil (half fill the bottle) + water (fill the rest of the bottle +  10 drops food coloring + alka-seltzer (broken into pieces, placed 1 at a time into the bottle) = lava bottle

plastic bottle + vegetable oil (half fill the bottle) + water (fill the rest of the bottle + 10 drops food coloring + alka-seltzer (broken into pieces, placed 1 at a time into the bottle) = lava bottle

make your own lava lamp:  1. 4 inches of water (2 inches left on top)  2. add food coloring  3. fill remainder with oil  4. add 5 to 6 tsp of salt  5. put on cap. shake & watch!

Make Your Own Lava Lamp

make your own lava lamp: 1. 4 inches of water (2 inches left on top) 2. add food coloring 3. fill remainder with oil 4. add 5 to 6 tsp of salt 5. put on cap. shake & watch!

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