BQLZR Solid Steel Ball, Nylon Rope, Plastic Bracket And Base Lightweight Newton's Cradle Steel Balance Balls Desk Top Pendulum,Balance Balls

• Often used as a toy to amuse people.
• Great gift for everyone.

Note: The color of the item may vary slightly due to photography and your own computer Feature: A series of identically sized metal balls will be suspended in a frame so that they are just touching each other at rest. Demonstrates pendulum and shows the Laws of Conservation of Momentum and Energy. Each ball is attached to the frame by two rubber wires of equal length angled away from each other. 1. Solid steel ball, nylon rope, plastic bracket and base 2. Installation method: The first step: open the box and take out the plastic base and swing shelf together In the second step, open the ball rack in the direction of vertical downward, and the foam plate protecting the ball will fall The third step is to install the swing rack on the bracket 3. Lift Angle 60 degrees 4. Swing for 12 seconds 5.My product is intended for ages 14 and older. Includes steel balls,frames and base. Size: 3.54x2.95x3.54 inch Weight:91g Packing content: 1 x Balance Balls Desk