Large Rainbow Sphere Water He used a glass prism

He used a glass prism like this one in his experiments

bulbous snout

make a picture by inserting the pegs into the board following the colour scheme on the card

5 prepared slides

down holes

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