Smithsonian STEM Crystal Growing Kit For Kids & Adults Includes 2 Bags Of Chemic

This kit offers a hands-on educational activity, teaching the science behind crystal formation and growth while creating vibrant green and orange crystal structures. • Includes materials for growing green and orange crystals • Recommended for ages 10+ • STEM-focused educational activity • Requires adult supervision • Conforms to ASTM D-4236 standards Box shows slight wear along edges, and inner packaging has been opened. No visible signs of damage to included materials. Box dimensions: 8 x 6 x 2 inches.