Discovery Crystal Aquarium Science Kit

Create colorful crystals with this Discovery Crystal Aquarium kit. Includes aquarium, growing rocks, bottles of sodium metasilicate solution, background, sticker sheet, poster, and instructions. Rocks grow up to 4 inches in about 10 minutes. STEM educational toy focusing on science, technology, engineering, and math. Recommended for ages 12 and up. Set up time approximately 10 minutes.