Curious Minds Did You Know: The eye is an extremely advanced organ but has a blind spot which your brain fills in based on the surroundings.

The eye is one of the most interesting but freaky organs in the human body.

Watch the eyeballs bounce and spook out your parents with this gross but awesome toy!

Contents: 8 packs of crystals, large mould, small mould, plastic pot, funnel, measuring spoon and Horrible Info leaflet.

Suitable for children aged 6 and up.