Learn chemistry with a hands on crystal growing experiment. Follow simple steps to grow crystals in your choice of colours and sizes. Design your own stunning crystal gardenFeatures and Benefits:Grow in 7 days, 3 different sizes, enough supplies for 5 crystalsSteam powered girls is a newly launched series by 4M specially designed for the young women of the 21st centuryFollow the simple steps to grow crystals in your choice of colors and sizes.This line combines colorful products with scientific and technical principles to inspire fun and creativity