Display stand for crystal sphere, ball, egg 01. Three leg Crystal Stand for Spheres or Eggs. Suitable for spheres from 30mm up to 80mm. Perspex.This clear plastic crystal display stand is suitable for crystal balls and crystal spheres and crystal eggs as well as small crystal or mineral specimens. Can hold spheres from 20 - 100mm although recommended for 30 - 80mm. Also suitable for any other type of colectable sphere or egg such as glass spheres etc.