A blister pack of 9 CR2032 Alkaline batteries, usually used for remote controls, but, more frequently, computer motherboards. Each battery is 3V.
Perform awesome experiments using everyday materials found in any kitchen!
A beautiful desk toy for your favorite person’s office!!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Learn all about Newton’s Laws and Energy conservation.
Build your own 10 inch kaleidoscope with this great kit!
Have hours of fun with this colorful remote controlled flying saucer!