This great science kit allows you to grow dozens of beautiful crystals and conduct 15 fascinating experiments as well as crystals large and small there are also fun moulds in the shape of a star lightening bolt dolphin and pyramid to grow crystals in plus dyes to create coloured crystals a treasure chest with locking lid is included to display your finished crystals in this kit is also great at explaining the science behind the crystals and the detailed instruction guide will lead you thr