Features: - Under the synchronized movement of the Newton balls, you can alleviate tension, focus on an important thought, or relax and rest. The pendulum of Newton is an object for physical process visualization - the law of energy conservation and the law of momentum conservation - "Newton's Balls" is the name of one of these desktop anti-stress systems from a range of souvenir "perpetual motion machines." Your cell phone or laptop can not charge this toy, of course, but it has an amusing style, and it is also just a pleasure to admire it - A simple example of the rule of energy conservation discovered by Isaac Newton is the original tabletop souvenir "Newton's Balls" -The pendulum of Newton consists of five metal balls suspended from two U-shaped frames and their movements on a thin fishing line and synchronized knocking calm and help to distract negative emotions from them -This "Newton's Pendulum" souvenir perpetual motion machine can be offered as a gift to a businessman who is always anxious at work, or to those who simply want to withdraw from the surrounding bustle and go into their thoughts for a while
