Explore the world of crystals with this science kit, including 15 engaging experiments and four different types of crystals with unique properties. Grow dazzling potassium alum octahedrons, rapidly-growing sodium sulfate crystals, long needle-shaped sodium acetate crystals, and gypsum crystals that can be molded into fun shapes such as stars, lightning bolts, dolphins, and pyramids. Use dyes to create a spectrum of colorful crystals, and display your creations in a clear treasure chest with a lockable lid. Try your hand at creating a geode with a crystal-filled interior, and observe the differences in growth rates between small and large crystals. Suitable for ages 10 and up.