You know what kids love? Explosions. Let’s be real, adults like them too. Controlled, not too big, nothing actually getting blown up explosions that is. It’s easy to make a volcano for children. A little baking soda, a little vinegar and you are in business. But how about a reaction that lasts a little bit longer? Maybe something that leaves a fun foam to play with? Enter elephant toothpaste. You need a few basic ingredients, which most households already have. And you need to be ready to wow your little one. Here is how to make elephant toothpaste.