The 4M Crystal Growing Experiment teaches kids and adults about the beauty and complexity of crystal growth with stunning results. Simply follow the directions to grow over 10 crystals including a glow in the dark crystal and 2 geode pairs. Once grown, these crystals will last indefinitely for family and friends to enjoy. It has everything you need to get started, including crystal growing compounds and mixtures, display domes, stirring supplies, and detailed instructions. Explore STEM and steam concepts with a DIY stunning crystal collection kit Grow more than 10 vibrant crystals in assorted colors and textures including a glow-in-the-dark crystal and 2 crystal geodes Each colorful crystal is unique and will reach full size in 7 to 10 days by following the detailed instructions The 4M deluxe crystal science kit includes materials for 1 large crystal, 3 medium crystals, 4 small crystals, 1 glow-in-the-dark crystal and 2 Crystal geodesRecommended for age 10 years and up