The device demonstrates the physical law of action and reaction - Newton's cradle.
On the metal frame in succession are hanging balls of the same weight and diameter (steel, plastic diameter: about 7 cm) each attached to frame on two points (Bifilar curtain). The device demonstrates the physical law of action and reaction - Newton's cradle. If we get a ball far enough to all others and then release it, the last balls starting to bounce bounce alternately. When we use two balls, at the end the two balls will be reflected.
Number of balls: 9 pcs.
Material: Steel (plastic) wire.
Dimensions: 90 x 80 x 60