Horrible Science - Bouncy Eyeballs
Galt Toys Horrible Science
Make eyeballs that bounce, find out how balls bounce, and learn jazzy juggling. Make one large eyeball and three small glow-in-the-dark eyeballs. Contents: 8 packs of crystals, large mould, small mould, plastic pot, funnel, measuring spoon, and Horrible Info leaflet.
6 years and onwards.