--- product_id: 375359706 title: "Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base)" brand: "cerropi" price: "R$1304" currency: BRL in_stock: true url: https://www.desertcart.com.br/products/375359706-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion store_origin: BR region: Brazil --- # 50+ seconds swing time 20mm precision steel balls 8mm chromed steel frame Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base) **Brand:** cerropi **Price:** R$1304 **Availability:** ✅ In Stock ## Summary > 🌀 Elevate your desk game with timeless physics in motion! ## Quick Answers - **What is this?** Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base) by cerropi - **How much does it cost?** R$1304 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/375359706-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion) ## Best For - cerropi enthusiasts ## Why This Product - Trusted cerropi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Worry-Free Warranty:** Backed by a 12-month warranty with replacement parts and responsive customer care for peace of mind. - • **Gift-Ready Packaging:** Individually wrapped balls with foam protection make it the perfect sophisticated gift for any occasion. - • **Premium Craftsmanship:** Built with durable chromed steel and high-impact nylon for lasting executive desk elegance. - • **Stress-Relief Meets Style:** A sleek, tactile fidget toy designed to calm your mind and elevate your workspace aesthetic. - • **Scientific Momentum Mastery:** Experience physics in motion with a perfectly aligned 7-ball pendulum swinging over 50 seconds. ## Overview The CERROPI Large Newton's Cradle features a scientifically engineered 7-ball pendulum with 8mm chromed steel frame and 20mm steel balls, delivering over 50 seconds of smooth swing time. Crafted with ultra-durable materials and packaged elegantly, it serves as a stylish stress-relief desk toy, educational tool, and premium gift, all backed by a 12-month warranty and dedicated customer support. ## Description CERROPI Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base) ## Features - 【SCIENTIFIC DESIGN】-CERROPI newton's cradle adopt scientific design,keep the pendulum balls perfectly lined up,make it possible to swing 50s+. Perfect demonstration of the scientific law of momentum conservation and energy conservation - 【SUPERIOR QUALITY】-Our newtons cradle made of 8mm chromed metal steel bar, 20mm steel Ball,high-impact nylon, ultra-thin nano technology provide extremely durable oscillatory support, durable for long time use.Pursuit of craftsmanship spirit inspired us to continuously produce high-quality goods - 【WIDE APPLICATION】-This newton balls can be used as office desk gadgets toys to relieve stress; as teaching aid,teaching science intuitively; as toys for family activities, to inspire your child's creativity - 【EXQUISITE PACKEGING】-We use individual wrapping paper to protect each ball and secure it in foam shockproof material,Perfect for Christmas gifts, Thanksgiving gifts, birthday gifts,Mother's Day gift,Father's Day gift,Valentine's Day gift etc. - 【WARRANTY & NOTICE】- 1 YEAR warranty, If any piece breaks we send replacement balls, strings and plug to you. Messages reply within 12 hours. NOTE: clean the ball thoroughly before using for the longer swing time,one extra ball and a silky soft cleaning cloth are included in the package ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 23.01 x 16.99 x 16.99 cm; 1.2 kg | | Manufacturer recommended age | 5 years and up | | Item model number | 2057 | | Manufacturer's Suggested Maximum Weight | 1.56 Kilograms | | Educational Objective(s) | Logical Thinking | | Language: | English | | Number of Game Players | 1 | | Assembly Required | No | | Batteries Required? | No | | Batteries Included? | No | | tech_spec_battery_description_toys | No batteries required | | Material Type(s) | Wood Steel Nylon | | Remote Control Included? | No | | Color | Silver | | ASIN | B07Y5S5YWR | ## Images ![Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base) - Image 1](https://m.media-amazon.com/images/I/519EtFoV5NL.jpg) ## Available Options This product comes in different **Edition** options. ## Questions & Answers **Q: i thought the entire purpose was to stay in motion until stopped . do they stop on their own?** A: yes, they will do stop on their own after 50-60 seconds **Q: Does this thing get rusted?** A: No. We have had ours for a few years now and it is still in like new condition. No rust **Q: What is the length? The title states 11" while the product descriptions specifies 9".** A: The length of the marble base is 9.06 inches, the width is 6.69 inches, and the diagonal length of the marble base is about 11 inches. **Q: we had one before from a mall and the balls were tangled so we couldn't use it does this one have the balls where they don't tangle ?** A: The one I ordered through Amazon was packaged very carefully with each ball and string wrapped in plastic. The strings were not tangled. The unit has not tangled; the balls are heavy weight and seem to be good quality. I am sorry that you had that experience. I enjoy the cradle so much; it is intriguing. ## Frequently Bought Together - CERROPI Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base) - Flagest Magnetic Levitation Floating Globe, Levitating C Shape Globe with LED Lights for Education Home Office Desk Bookshelf Decor, Holiday Anniversary Creative Item(3.3 Inches) --- ## 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.com.br/products/375359706-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion](https://www.desertcart.com.br/products/375359706-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-05-26*