Product description:Material: solid wood, stainless steelSilverSize: Small: 9 * 7.6 * 9cm, Medium: 13 * 11 * 14cm, Large: 18 * 12 * 18cmQuantity: 1 pieceScope of delivery:1 * bumper ball1. IDEAL GIFT You are looking for a special, high-quality present for your husband, partner, grandpa or brother This is what you have been looking for. The ball game is the ideal gift idea2. HIGH QUALITY The Newton cradle stands on a wooden base; while the frame and the 5 balls of the pendulum are made of steel. The Newton pendulum is therefore of high quality and is perfect as a ball pendulum for the desk3. PERFECT SIZE: The ball game pendulum is large and therefore particularly impressive. The height of the ball game is; the wooden base is large. Thus the Newton pendulum has the perfect size for a special gift4. LONG ENTERTAINMENT DURATION: The large Newton pendulum, also called Newton's Cradle, offers an entertainment time of up to 90 seconds. That's how long it takes for the balls in Newton's cradle to stop moving5. SECURELY PACKED: The shot put pendulum and the individual parts such as the base and the Newton balls that make up the high-quality Newton pendulum are packed in such a way that they will arrive at you in perfect condition