Model Number:Pilipane5dp4tr7x29 Special Features:Rust Resistant Item Weight:90 g Specification: Condition: 100% brand newMaterial: Stainless steelColor: SliverSize: 18 x 11 cm / 7.09 x 4.33 inch(appr.) Package Included: 1 Set Motion Toy Note:1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering.2. Please understand that colors may exist chromatic aberration as the different placement of pictures. Commitment:Our aim is to provide high quality products. After you buy our products, I will ship them to you as soon as possible, so that you can receive the products as soon as possible. If you have any dissatisfaction after receiving our products, please contact me in time, I will reply all your questions within 24 hours, I will solve all your problems, I will give you a refund or replace the goods. We are committed to providing our customers with a great shopping experience. [Desktop decoration] It?s a classic desk accessory is art-in-motion. This cool desk toy will be a good icebreaker, when you lay it in your office desk or your home desk.You don't have to worry about it falling off, it can keep balance well. Push the ball lightly. It doesn't need any battery, you can rotate it or swing it back and forth. [Entertainment & Education] This classic desktop toy provides you many benefits and entertainments, is suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of Conservation of Momentum and Energy. [Small Size & Easy To Play] It's a mini desktop toy, and you don't need much space to place it. There's no complicated operation, everyone can play. Sizes: 7.09 in (w)* 4.33 in (H) . Excellent educational science gadget. [Help You Relax] It?s a neat focal point to destress after a busy day at work. When you get bored and feel there is too much pressure, you can put it on your desktop, start it, quietly watching its fascinating swings, it will be fascinating to you. It can kill time and help you relieve stress.suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of conservation of momentum and energy. [Versatile] An exquisite decoration that can be placed in house, school or office. A nice gift to friends, children, family. Sleek desk toy for adults and children. Funny and useful for those kids who want to learn more about physics. [Desktop decoration] It?s a classic desk accessory is art-in-motion. This cool desk toy will be a good icebreaker, when you lay it in your office desk or your home desk.You don't have to worry about it falling off, it can keep balance well. Push the ball lightly. It doesn't need any battery, you can rotate it or swing it back and forth. [Entertainment & Education] This classic desktop toy provides you many benefits and entertainments, is suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of Conservation of Momentum and Energy. [Small Size & Easy To Play] It's a mini desktop toy, and you don't need much space to place it. There's no complicated operation, everyone can play. Sizes: 7.09 in (w)* 4.33 in (H) . Excellent educational science gadget. [Help You Relax] It?s a neat focal point to destress after a busy day at work. When you get bored and feel there is too much pressure, you can put it on your desktop, start it, quietly watching its fascinating swings, it will be fascinating to you. It can kill time and help you relieve stress.suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of conservation of momentum and energy. [Versatile] An exquisite decoration that can be placed in house, school or office. A nice gift to friends, children, family. Sleek desk toy for adults and children. Funny and useful for those kids who want to learn more about physics.