Amazon.com: Crystal Growing Science Kit - Fun and Educational STEM Chemistry Experiments Grow Fast in 3-4 Days, Projects for Kids 8+ : Toys & Games
DIY Crystal Growing Kit – Pearl River Mart
Amazon.com: NATIONAL GEOGRAPHIC Crystal Growing Kit - 3 Vibrant Colored Crystals to Grow with Light-Up Display Stand, Science Toy for Girls and Boys Ages 8-12, Includes Gems, Cool STEM Gift (Amazon Exclusive) :