Fun in the tub: Transform your kids bath into a scientific adventure with Bath Bomb Potions! Watch these bath potions for kids erupt with colorful streams of bubbly foam as they react with water. • Fizzy, foamy, bubbly eruption: Just add water & watch as the kids bath bombs potion fizzes, foams & bubbles! Lil' Scientists will love watching the bubbly eruption of swirling colors they've created! • Nontoxic & kid-friendly: Our potion kid bath bombs are formulated with safe, nontoxic ingredients & are paraben and phthalate-free - perfect for a safe, yet bubbly explosion of colorful bath fun! • Simple & scientific: Potions are easy to use!