A few colored crystals are added to a clear solution in a glass jar or beaker. Within a few minutes large plant like structures extend from the crystals. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: PS1.A; PS1.B Performance Expectations: MS-PS1-2 Cross Cutting Concepts: Patterns Kit Includes: 2 x 30mL Sodium Silicate Solution, 40% 1 x 20g Iron (III) Chloride, Hexahydrate 1 x 20g Copper (II) Chloride, Dihydrate 1 x 20g Cobalt Nitrate, Hexahydrate 1 x 20g Zinc Sulfate, Heptahydrate DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only *”Next Generation Science Standards” is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.