Every kid has a little mad scientist hiding inside of them. Here are 10 crazy concoctions you can whip up at home to satisfy their need to explore and create. Before doing these, please make yourself aware of all safety precautions. The elephant toothpaste experiment is not one I would do with young children, nor is it a hands on experiment. It is a chemical reaction using a strong concentration of hydrogen peroxide, not the drug store dilution (which can still be an irritant).