Want to add something extra to your Easter celebration? Something extra like making a rocket? It is actually pretty easy to do. Ben thought it was super exciting, and Ali and Sammy got a kick out of it too. This is an easy and fun science activity to do with your preschooler or toddler. You just need a plastic Easter egg, a toilet paper tube, and some Alka-Seltzer. Here is how to make an Easter Egg Rocket.