Newton s Cradle Metal Pendulum Educational Physics Toy Square Design Kinetic Energy Office Stress Reliever Ornament Balance Ball

Newton s Cradle Metal Pendulum Educational Physics Toy Square Design Kinetic Energy Office Stress Reliever Ornament Balance Ball Red 3 L: 17.5cm/6.89 W: 14.7cm/5.79 H: 18cm/7.09 (Approx.) Black 3 L: 17.5cm/6.89 W: 14.7cm/5.79 H: 18cm/7.09 (Approx.) Red 2 L: 14cm/5.51 W: 11.5cm/4.53 H: 14.5cm/5.71 (Approx.) Black 2 L: 14cm/5.51 W: 11.5cm/4.53 H: 14.5cm/5.71 (Approx.) Red L: 9cm/3.54 W: 7cm/2.76 H: 9cm/3.54 (Approx.) Black L: 9cm/3.54 W: 7cm/2.76 H: 9cm/3.54 (Approx.)