Classic educational toy!
Balance it on the stand or even your finger!
Principal are used in levitation and bicycles!

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.4 inch
Height : 2.4 inch
Length : 2.52 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B00000IU7S