Gsycle Newtons Cradle Pendulum, Steel Balance Ball Fun Swinging Kinetic Balls Office Decorations with Black Wooden Base for Office Bedroom

Specification: SCIENTIFIC DESIGN: The newton's cradle pendulum demonstrates the laws of conservation of momentum and energy with its scientifically designed ball alignment and swing time of over 40 seconds. MATERIAL: The newton's balance balls made of high‑grade plastic and sturdy steel balls, and reliable, the pendulum consists of 5 steel balls, each connected to another,robust and long-lasting, enhance your enjoyment. DESK DECOR: The desk decor newton's cradle pendulum and desk tool for office decoration to make it look attractive and organized, you can put it on your desk or shelf, and swing it anytime when you passing by. EASY TO USE: Our newton's cradle comes in a complete package, no extra installation is necessary, simply open the package and adjust the steel ball's position to begin enjoying the fun, this way, you can avoid the inconvenience of installation. The balance balls suitable for children and adults alike, it is a fantastic tool for teaching science, fighting boredom, and reducing stress, a thoughtful for birthdays and holidays, a wonderful addition to any home or office. Condition: Brand New Item Type: Balance Balls Material: Plastic + Steel Ball Color: As Pictures Shown Size: Approx.17.8 x 14.8 x 18cm / 7 x 5.8 x 7.1inFeatures: Excellent educational scientific tools, showing the pendulum, the law of conservation of momentum and the law of conservation of energy. Package List:1 x Base1 x Bracket