How to Make a Lava Lamp. Have your kids make a lava lamp out of materials around the house to introduce them to this groovy relic from the past. Unlike real lava lamps, these homemade lava lamps are non-toxic and unheated.
Make your own lava lamps! 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
Indoor Activities for Kids: Homemade Lava Lamps. Vegetable oil, a about of the water bottle, then water. 10 drops of food coloring. Then take a alkaseltzer tab and break it into 4 pieces. Drop one in at a time and wait for each to dissove!