YOUniverse Crystal Bath Bombs, Mix Mold Your Own Bath Bombs, Bath Crystals From hearts to hexagons and spheres ? learn how to create custom bath bombs with colorful bath crystals on top for a super-stellar geode effect! The fully-illustrated instructions won?t just guide you through every step with ease, they?ll teach you all about acid and base chemistry, evaporation, and thermodynamics! Learn what chemical reactions are taking place under your bath water and investigate how changing the ratio of ingredients can create an even fizzier bath experience! Keep the fun going with an engaging, content-rich bonus poster to hang wherever you please! We respect our furry friends! Every component in the YOUniverse Crystal Bath Bomb set has been designed with vegan-friendly formulas and clean beauty products free from parabens, phthalates, and harsh chemicals. Kit Includes: 1 Tub of Coconut Oil (30g), 1 Round Bath Bomb Mold, 1 Heart-Shaped Bath Bomb Mold, 1 Hexagon Bath Bomb Mold, 5 Bath Bomb Mixture Packets, 1 Bag of Baking Soda (6 oz), 3 Mica Powder Colors (1 Purple, 1 Teal, 1 Pink), 2 Fragrance Droppers (1 Lavender, 1 Berry), 1 Bag of Gold Body Glitter (1g), 2 Bags of Colorful Bath Crystals (1 Pink, 1 Teal), 1 Bonus Poster, Easy-to-Follow Instructions