Discover with Dr. Cool Ultimate Crystal Growing Lab &ndash; 8 Colors to Grow and Light-up Display! 8 AMAZING COLORS  Grow stunning crystals in 8 different colors; blue, pink, red, purple, green, orange, yellow, and teal! LIGHT-UP DISPLAY STAND  Display your 5 best crystals on the light-up display stand included. A wonderful night light for any kids room EASY TO GROW  Includes 4 revolutionary silicone growing chambers that allow your grown crystals to be removed with ease 5 REAL GEMSTONES INCLUDED  Compare 5 real crystals to the ones you grow yourself, and learn all about how crystals form with the educational guide 100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference!