--- 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: "960969₫" currency: VND in_stock: true reviews_count: 13 category: "Topincn" url: https://www.desertcart.vn/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy store_origin: VN region: Vietnam --- # Compact 8.5x7x9 cm size Durable stainless steel & sturdy base 15-25 sec mesmerizing perpetual motion TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts **Brand:** topincn **Price:** 960969₫ **Availability:** ✅ In Stock ## Summary > ⚖️ Balance your desk, boost your brainpower! ## 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?** 960969₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/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 - • **Gift-Ready Fun:** Perfect for birthdays or office gifts—blend learning, decor, and playful stress relief effortlessly. - • **STEM Meets Style:** A sleek educational tool that doubles as a chic desk accessory, sparking curiosity and conversation. - • **Desk-Savvy Design:** Compact footprint fits perfectly on any professional workspace without clutter. - • **Elegant & Durable:** Mirror-finish stainless steel balls paired with a stable plastic base for lasting sophistication. - • **Physics in Motion:** Experience the captivating conservation of momentum with 15-25 seconds of smooth swinging balls. ## Overview The TOPINCN Small Newton's Cradle is a compact, stainless steel executive toy measuring 8.5 x 7 x 9 cm. It demonstrates the physics principle of conservation of momentum with 5 mirror-finish balls swinging in perpetual motion for up to 25 seconds. Designed as both an educational STEM tool and stylish desk decor, it offers a durable, elegant addition to any home or office environment. ## Description Product Description Newtons Cradle Balance Magnetic Ball Toy DESCRIPTION ✔ It is a very fun decompression game that one ball can be used to hit other balls and swing. ✔ Not only does it show a pendulum, but it also shows the Momentum and Energy Conservation Laws. ✔ Made of steel material, bright, preservative and not easy to rust. ✔ Perfect for decorating in the office, home and other indoor places. ✔ It can be a fun gift for your friends, family and children. Features NEWTONS CRADLE Each package include one plastic base of Newton’s Cradle Physics Science Balls with 5 pendulum balls STRONG LINE Made of fishing line, not easily broken. Artificial processing makes the balls in alignment, Reduce string tangles SWING TIME The balance balls continue in perpetual motion for only 10-20 seconds due to the resistance of the air and friction SCIENCE PHYSICS GADGET A perfectly educational desk toy for children and teachers, benefiting stimulate the imagination OPERATING STEPS Open the packaging Pull apart plastic packaging Gently raise each steel frame. Ensure that steel frames remain upright so that the steel balls hang down(and lines don’t become tangled) Line up the frame with the appropriate holes on the wooden base, and push in the frames to lock 3 Sizes For Your Choice Physics Science Ball (S) Physics Science Ball (M) Physics Science Ball (L) Dimensions: (L) x (W) x (H) 8.5 x 7 x 9 cm / 3.35 x 2.76 x 3.54 inch 14 x 11.5 x 14.5 cm / 5.5 x 4.5 x 5.7 inch 17.5 x 14.8 x 18 cm / 6.9 x 5.8 x 7.1 inch Quantity of balls: 5 Small Ball diameter: 1cm / 0.39 "(appr.) Quantity of balls: 5 Middle Ball diameter: 2cm / 0.8 "(appr.) Quantity of balls: 5 Large Is this balance ball small? 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. Is this balance ball small? 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. Are there any Newton’s Cradles that come with steel strings? 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. Are there any Newton’s Cradles that come with steel strings? 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. Does it need batteries? Will it ever stop if you let it be ? 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. Does it need batteries? Will it ever stop if you let it be ? 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. What material is this made of? The cradle is made of durable stainless steel, the metal balls feature a reflective mirror finish and the base is made of plastic. What material is this made of? The cradle is made of durable stainless steel, the metal balls feature a reflective mirror finish and the base is made of plastic. Review: Cheap light and tangled on first swing - This is tiny, cheap , plastic ! Ended up in bin after less than an hour as tangled very easily and broke when trying to fix. Utter waste of money. Review: It worked perfectly - It was much smaller than imagined as I did not take note of dimensions show but fine all the same. ## 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 | | Age range (description) | Kid | | Best Sellers Rank | 95,969 in Toys & Games ( See Top 100 in Toys & Games ) 977 in Educational Science Kits | | Brand | TOPINCN | | Brand Name | TOPINCN | | Country Of Origin | China | | Customer Reviews | 2.9 out of 5 stars 481 Reviews | | Educational Objective | STEM | | Educational objective | STEM | | Is Assembly Required | Yes | | Item Dimensions | 8.5 x 7 x 9 centimetres | | Item dimensions L x W x H | 8.5 x 7 x 9 centimetres | | Manufacturer | TOPINCN | | Manufacturer Part Number | TOPINCN86tggeos5d | | Material Type | Stainless Steel | | Model Number | TOPINCN86tggeos5d | | 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) ![TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - Image 2](https://m.media-amazon.com/images/I/617uADvN+tL.jpg) ![TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - Image 3](https://m.media-amazon.com/images/I/61Ou18vUrfL.jpg) ![TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - Image 4](https://m.media-amazon.com/images/I/615oA3SQQ8L.jpg) ![TOPINCN Small Newtons Cradle, 5 Physical Swinging Balls Educational Toy Balance Magnetic Ball Home Office Desk Fun Decor Birthday Gifts - Image 5](https://m.media-amazon.com/images/I/712v9NE+fdL.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. ## Customer Reviews ### ⭐ Cheap light and tangled on first swing *by E***R on 9 January 2022* This is tiny, cheap , plastic ! Ended up in bin after less than an hour as tangled very easily and broke when trying to fix. Utter waste of money. ### ⭐⭐⭐⭐⭐ It worked perfectly *by G***W on 17 July 2023* It was much smaller than imagined as I did not take note of dimensions show but fine all the same. ### ⭐⭐⭐ A £10 gift that feels like a £5 gift at best *by J***E on 25 December 2023* Feels cheap, base is poor quality plastic. Doesn't maintain momentum very long. Bought for my partner for Christmas as he loves physics but quietly disappointed in the quality ## 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.vn/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy](https://www.desertcart.vn/products/97366476-topincn-small-newtons-cradle-5-physical-swinging-balls-educational-toy) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*