TOYS THAT TEACH: MindWare Deluxe Bath Bomb Lab is a make your own bath bomb kit that teaches the science of chemical reactions through spa-themed chemistry experiments! SPA SCIENCE: MindWare Clean Science labs combine the fun of spa and beauty kits for girls with educational science lessons! Each kits activities from bath bombs to lip balm give hands-on lessons in chemistry. Manufacturered by MindWare. GUIDE BOOK: The colorful detailed guide booklet includes step-by-step instructions and troubleshooting tips plus the science behind how bath bombs work! INCLUDES: All ingredients and supplies needed for your Deluxe Bath Bomb Lab experiments! All ingredients are safe non-toxic and gluten free. (Ages 8 and up) DELUXE DIY BATH BOMBS: More recipes for 8 fragrant effervescent bath bombs featuring specialty ingredients charms gem shapes and more including bath bombs with Epsom salts!