Newton Pendulum Perpetual Motion Instrument Desktop Ornament Home Room Decorations Creative Gifts
Tax included.
Specification:
Name: Newton pendulum
Size: 14* 17.5* 18cm sphere diameter 1.6cm
Material: plastic + nylon line + steel ball
Features: The principle of conservation of momentum in physics toggle one, two, three ball, can see different effects, fun unlimited.
Package Included:
1 x Newton's pendulum
