Bear and I love doing science experiments at home. One, it's hands-on and it's super fun (okay, that's two), but also, a lot of the ingredients and materials we use are SUPER CHEAP. That being said, let me introduce you to the Elephant Toothpaste Experiment. Here are the instructions courtesy of ScienceBob: A clean 16 ounce (473 ml) plastic soda bottle or a water bottle.20-Volume hydrogen peroxide liquid (20-volume