Question: what ingredients are in elephant toothpaste?
Answer: A clean 16-oz plastic soda bottle.
1/2 cup 20-volume hydrogen peroxide liquid (20-volume is a 6% solution; you can get this from a beauty supply store or hair salon)
1 Tablespoon (one packet) of dry yeast.
3 Tablespoons of warm water.
Liquid dishwashing soap.
Food coloring.
Small cup.
Safety goggles.