--- product_id: 167633601 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: "₩144538" currency: KRW in_stock: true category: "Cerropi" url: https://www.desertcart.kr/products/167633601-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion store_origin: KR region: South Korea --- # 50+ sec swing time 7 perfectly aligned 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:** ₩144538 **Availability:** ✅ In Stock ## Summary > ⚡ Swing into productivity with timeless physics flair! ## 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?** ₩144538 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/167633601-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 - • **Gift-Ready Elegance:** Arrives in exquisite, shockproof packaging—ideal for impressing colleagues or inspiring young minds. - • **Science Meets Style:** A perfect desk centerpiece that intuitively demonstrates momentum and energy conservation—smart meets chic. - • **Endless Momentum Mastery:** Experience mesmerizing 50+ seconds of smooth, perpetual motion that captivates and calms. - • **Stress-Busting Executive Toy:** Transform your workspace with a sophisticated fidget that boosts focus and relieves tension effortlessly. - • **Premium Industrial Craftsmanship:** Built with 8mm chromed steel and 20mm steel balls for unmatched durability and sleek modern aesthetics. ## Overview The CERROPI Newton's Cradle Pendulum features 7 precision-aligned steel balls suspended on an 8mm chromed metal frame, delivering over 50 seconds of smooth oscillation. Designed with ultra-durable materials and nano-technology enhanced support, it serves as both a captivating executive desk toy and an intuitive educational tool demonstrating momentum and energy conservation. Perfectly packaged for gifting, it includes replacement parts and a cleaning cloth to maintain peak performance. ## Description Buy CERROPI Large Newtons Cradle Pendulum with 7 Balls, Physics Perpetual Motion Desk Toys for Office, Calm Down Fidgets, 50+ Sec Swingtime (Beech Base): Cradles - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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. - 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 | |---------------|-------| | ASIN | B07Y5S5YWR | | Age Range Description | Adult/Kid | | Best Sellers Rank | #16,645 in Toys & Games ( See Top 100 in Toys & Games ) #129 in Educational Science Kits | | Brand Name | CERROPI | | Color | Silver | | Customer Reviews | 4.5 4.5 out of 5 stars (1,474) | | Educational Objective | Logical Thinking | | Global Trade Identification Number | 00715668926103 | | Included Components | 1PC Newtons Cradle | | Indoor Outdoor Usage | Indoor | | Is Assembly Required | No | | Item Dimensions | 9.06 x 6.69 x 6.69 inches | | Item Type Name | science-kits | | Item Weight | 1200 Grams | | Manufacturer | CERROPI | | Manufacturer Maximum Age (MONTHS) | 720.00 | | Manufacturer Minimum Age (MONTHS) | 60.00 | | Manufacturer Part Number | 2057 | | Manufacturer Warranty Description | 60 Day Warranty Against Manufacturer Defects | | Material Type | Nylon, Steel, Wood | | Model Number | 2057 | | Number of Players | 1 | | Operation Mode | Manual | | Power Source | Manual | | Set Name | Newton's Cradle with 7 Balls | | Size | Large | | Supported Battery Types | No batteries required | | Theme | Physics | | UPC | 715668926103 | | Unit Count | 1 Count | ## 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.kr/products/167633601-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion](https://www.desertcart.kr/products/167633601-large-newtons-cradle-pendulum-with-7-balls-physics-perpetual-motion) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-06-21*