Two of the original Tedco Gyroscopes so you can perform even more amazing feats that defy gravity with two at the same time. The forces demonstrated by these gyroscopes are the same as those first observed by Isaac Newton in the 18th century. Comes in a box with vintage graphics. Box dimensions are 4 7/8" x 2 3/8" x 2 3/8".
Moon Marble Company 600 East Front Street, Bonner Springs, Kansas, USA 66012-1122 Phone: 913-441-1432 Order Only: 888-410-0680 Fax: 913-441-1024 Email: email@moonmarble.com
