Ghost Eyeballs | Growing Spheres


Norman Barstowby: Norman Barstow

Educational Innovations’ Growing Spheres can be used to add a note of ‘horror’ to your classroom or home Halloween experience.  Once fully expanded, Growing Spheres have an index of refraction almost identical to that of water. This means that when the Growing Spheres are placed in water, they are nearly invisible.

Growing SpheresMaterials:

  • A large (2 qt or larger) translucent plastic storage container and lid.
  • Growing Spheres : GB-730 (these are the size used for the photos)
  • Water
  • Label for the container lid: GHOST EYEBALLS Read the rest of this entry »