Large Rainbow Sphere Water and encourages problem solving and

and encourages problem solving and narrative thinking

He used a glass prism like this one in his experiments

Kids can DIY with tearable scratch sheets

5 prepared slides

Soft plastic casing with efficient LED bulb

Large Rainbow Sphere Water and encourages problem solving andThe 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