--- product_id: 97366476 title: "TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts" brand: "topincn" price: "R544" currency: ZAR in_stock: true category: "Topincn" url: https://www.desertcart.co.za/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy store_origin: ZA region: South Africa --- # Stainless steel balls with mirror finish 15-25 sec mesmerizing perpetual motion Compact 8.5x7x9 cm desk-friendly size TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts **Brand:** topincn **Price:** R544 **Availability:** ✅ In Stock ## Summary > ⚖️ Swing into smart style and science — your desk’s new power move! ## Quick Answers - **What is this?** TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts by topincn - **How much does it cost?** R544 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy) ## Best For - topincn enthusiasts ## Why This Product - Trusted topincn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **STEM Meets Style:** An educational tool that doubles as a sophisticated conversation starter for managers and mentors. - • **Physics in Motion:** Watch conservation of momentum and energy come alive with every swing for up to 25 seconds. - • **Sleek Desk Statement:** Compact design fits perfectly on any professional workspace without clutter. - • **Premium Craftsmanship:** Durable stainless steel balls with a reflective mirror finish add a touch of elegance to your office decor. - • **Effortless Assembly & Maintenance:** Simple setup with sturdy plastic base and tangle-resistant lines keeps your focus on the science, not the strings. ## Overview The TOPINCN Small Newton's Cradle is a compact, elegantly designed executive toy measuring 8.5 x 7 x 9 cm. Featuring five stainless steel balls with a mirror finish, it demonstrates the physics principles of momentum and energy conservation through a captivating 15-25 second perpetual motion. Perfect for office desks or home study areas, it combines educational value with stylish decor, making it an ideal gift for professionals and STEM enthusiasts alike. ## Description TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts : desertcart.co.uk: Toys & Games ## Features - Dimensions: The Newton's Cradle has a compact size, measuring approximately 8.5 cm (L) x 7 cm (W) x 9 cm (H). This makes it suitable for placement on desks or tables, without taking up too much space. - Fascinating perpetual motion: The Newton's Cradle demonstrates the concept of conservation of momentum and energy. When ball on end strikes the others, it creates a chain reaction, causing the ball on the opposite end to swing up into the air while the balls in the middle remain still. This perpetual motion continues for approximately 15-25 seconds, creating a mesmerizing and captivating visual display. - Desk decoration: The Newton's Cradle serves as an attractive and stylish decoration for desks and tables. Whether it's in an office, classroom, or at home, the sleek and elegant design enhances the overall aesthetic appeal of any space, adding a touch of sophistication. - Educational toy and teaching tool: Apart from being a decorative piece, this Newton's Cradle also serves as an educational toy. It allows users, especially children, to visually understand and experience the concept of conservation of momentum and energy. It's an effective teaching tool that makes learning science principles fun and engaging. - High-quality materials: The Newton's Cradle features stainless steel construction. The metal balls have a reflective mirror finish, adding a touch of elegance to the overall design. The base is made of sturdy plastic, ensuring stability and durability for long-term use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07GSW52CK | | Age Range Description | Kid | | Best Sellers Rank | 45,651 in Toys & Games ( See Top 100 in Toys & Games ) 539 in Educational Science Kits | | Brand Name | TOPINCN | | Country Of Origin | China | | Customer Reviews | 2.8 2.8 out of 5 stars (484) | | Educational Objective | STEM | | Is Assembly Required | Yes | | Item Dimensions | 8.5 x 7 x 9 centimetres | | Manufacturer | TOPINCN | | Manufacturer Part Number | TOPINCN86tggeos5d | | Material Type | Stainless Steel | | Model Number | TOPINCN86tggeos5d | | Number of Items | 1 | | Number of Packs | 1 | | Set Name | Newton Balance | | Size | compact | | Theme | Physics | | UPC | 798382321171 | ## Product Details - **Age range (description):** Kid - **Brand:** TOPINCN - **Item dimensions L x W x H:** 8.5 x 7 x 9 centimetres - **Size:** compact - **Theme:** Physics ## Images ![TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - Image 1](https://m.media-amazon.com/images/I/61gNFLi6NPL.jpg) ## Questions & Answers **Q: Is this balance ball small?** A: The size of the small newtons cradle is (L) x (W) x (H) 8.5 x 7 x 9 cm / 3.35 "x 2.76" x 3.54 ", the diameter of each small ball: 1 cm / 0.39 inch. If you need a large size, we have three sizes for you to choose from. **Q: Are there any Newton’s Cradles that come with steel strings?** A: The strings on this are plastic, they may become tangled during transportation. If it's kept stationary on a desk or something, it might never come to this. **Q: Does it need batteries? Will it ever stop if you let it be ?** A: It does not use batteries. Yes, it will stop after it runs out of the energy you give it by pulling one marble away from the rest and letting it go. It is a marvelous tool to explain Newton's Laws of Physics to children. **Q: What material is this made of?** A: The cradle is made of durable stainless steel, the metal balls feature a reflective mirror finish and the base is made of plastic. ## Frequently Bought Together - TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - NEW Transformable Sensory Fidget Spinner Toy, Funny DIY Spin Top Hand Finger Spinner Creative Fingertip Mechanical Gyro for Kids Adults, All Ages - Cool Fidget Spinner Metal, Handheld Sensory Fidget Toy Set Infinity Fidget Cube Block Flippy Chain, Hammer and Shield Fidgit Spinners, Anti Anxiety Stress Relief Stuffer Gift for Teen Kids Adults --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy](https://www.desertcart.co.za/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-27*