Large Rainbow Sphere Water He used a glass prism

He used a glass prism like this one in his experiments

build a shelter

They are made of a crystalline material that sparkle in the light even when Peg Brite is turned off

down holes

Soft plastic casing with efficient LED bulb

Large Rainbow Sphere Water He used a glass prismThe Hoberman Sphere starts small and expands bigger than you'd ever expect! Made of rainbow colored plastic links, the sphere expands to 30 inches in diameter and contracts to a compact 9. 5 inches. There's a hypnotic fascination in making the sphere expand and contract over and over again, especially in a dark room because this crazy sphere glows in the dark! Want to do more with the sphere? A guide (included) lists some possibilities. How about