--- product_id: 167633601 title: "Newtons Cradle Pendulum with 7 Balls" brand: "cerropi" price: "Rp2018336" currency: IDR in_stock: true reviews_count: 13 category: "Cerropi" url: https://www.desertcart.id/products/167633601-newtons-cradle-pendulum-with-7-balls store_origin: ID region: Indonesia --- # 50+ sec swing time 7 perfectly aligned balls 8mm chromed steel frame Newtons Cradle Pendulum with 7 Balls **Brand:** cerropi **Price:** Rp2018336 **Availability:** ✅ In Stock ## Summary > ⚡ Swing into productivity with timeless physics flair! ## Quick Answers - **What is this?** Newtons Cradle Pendulum with 7 Balls by cerropi - **How much does it cost?** Rp2018336 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/167633601-newtons-cradle-pendulum-with-7-balls) ## 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:** Individually wrapped with shockproof foam and includes an extra ball and cleaning cloth—perfect for impressing colleagues or loved ones. - • **Endless Momentum Magic:** Experience mesmerizing 50+ seconds of smooth, perpetual motion that captivates and calms. - • **Premium Industrial Build:** Crafted with 8mm chromed steel and 20mm steel balls for unmatched durability and sleek modern aesthetics. - • **Precision Scientific Design:** Engineered to keep all 7 balls perfectly aligned, demonstrating momentum and energy conservation flawlessly. - • **Stress-Relief Meets Desk Art:** Transform your workspace with a sophisticated executive toy that doubles as a calming fidget and conversation starter. ## Overview The CERROPI Newtons Cradle Pendulum features 7 precision-aligned steel balls suspended on an 8mm chromed metal frame, delivering over 50 seconds of smooth oscillation. Designed for durability with high-impact nylon and nano-technology support, it serves as both a scientific demonstration of momentum conservation and a stylish executive desk toy. Packaged with care and including extras like a cleaning cloth and replacement parts, it’s the perfect blend of education, stress relief, and modern office decor. ## Description Product description ABOUT CERROPI We're a family-run business who specialize solely in manufacturing Newton's Cradles. We've been selling online for 9 years, and are committed to excellence in both manufacturing and customer. The meaning of Newton's pendulum Newton's Pendulum, often referred to as Newton's Cradle, is a classic physics demonstration and educational desk toy. It's named after Sir Isaac Newton, the renowned physicist who made significant contributions to the understanding of classical mechanics. Various usage scenarios 1.Educational Settings: Classroom Demonstrations - Visually explain and demonstrate principles of physics such as momentum, kinetic energy, and the conservation of energy in a dynamic and engaging way. 2. Office or Workspace: Desk Toy - Newton's Pendulum makes for an excellent decorative desk toy. Its rhythmic motion can be both relaxing and inspiring, providing a brief mental break during work. 3. Stress Relief and Relaxation: The repetitive motion of the swinging balls can be calming and serve as a stress-relief tool. Mindfulness: Observing the back-and-forth motion mindfully can be a form of meditation, allowing individuals to briefly disconnect and refocus. 4. Home Decor and Entertainment: Home Office Decor: Similar to its role in an office setting, Newton's Pendulum can enhance the aesthetics of a home office and provide a unique touch to the decor. Entertainment for Guests: Placing it in a common area can entertain guests and serve as a conversation piece during gatherings. 5. Gifts and Collectibles: Gifts for Science Enthusiasts: Newton's Pendulum can make an excellent gift for science enthusiasts, students, or teachers. It combines educational value with aesthetic appeal. Collector's Item: For those interested in physics or unique desk toys, Newton's Pendulum can be part of a collection. 6. Physics Demonstrations Beyond the Classroom: Public Science Events: Newton's Pendulum can be used in public science events, museums, or science centers to engage and educate the general public. Physics Workshops: In workshops or demonstrations outside traditional academic settings, it serves as a hands-on tool for explaining basic physics concepts. 7. Incorporation into Art and Creativity:Art Installations: Newton's Pendulum can be incorporated into kinetic art installations, where its motion becomes part of a larger artistic display. Educational Art: It can be used as an educational art piece in galleries or exhibitions focused on the intersection of art and science. Warm Prompt 1. Please take out Newton’s cradle carefully from the box: be careful when taking out each ball to avoid tangles; hold it horizontally after taking it out, and wipe the ball with a cloth to make it smooth. 2. If the rope falls off, we will patiently guide you, install it or send you accessories; if it becomes tangled, you need a lot of patience, first figure out how the thread is tangled, and then unravel it along the thread. It's a challenge for you, but it can be solved in a few minutes 3.If the packaging is damaged, you can exchange it directly;If the 7 balls are not on the horizontal line, you need to make adjustments. Best Newtons Cradle Pendulum with 7 Balls Model: 1001/1001t Design features: baseless and all-metal Size: 17cm X 9cm X 11.5cm Swing time: 30s or 40s Model: Beech Base AQ / Beech Base 2E Europen Beech：The base is made of a strikingly elegant beech wood selected from European forests. Size: 23cm X 17cm X 17cm Swing time: 50s or 60s Model: Marble Base 4E / Marble Base G Design Features: Marble Base - Top quality granite stone base. Swing time: 60s or 70s Perfect 7 balls design Seven balls, larger spheres, smooth spherical surface, these advantages reduce the friction between the air and the spheres, the collision between the spheres is crisper, and the collision time is longer, 30s-70s Dimensions Item Dimensions 17cm X 9cm X 11.5cm 23cm X 17cm X 17cm Perfect size design, better showing the transmission of Newtonian energy conservation. You can put it in your bedroom, living room, office, or it can also be a perfect display piece. CARE & MAINTENANCE It's important to clean the ball thoroughly with the cloth provided before using the Newton's Cradle. During the manufacturing and shipping process, barely perceptible dust can gather on the balls, which hinders optimal impact time. A silky soft cleaning cloth is provided for you in the packaging. Silky soft cleaning cloth included in elegant, stylish packaging that makes a perfect gift for weddings, graduations, barmitzvahs, promotions, and anniversaries Beautifully packaged - perfect gift Our product is perfectly packaged, making it a perfect gift that you can give to your friends, colleagues, family, etc. during holidays, birthdays, or other meaningful days. At the same time, this product is easy to install and has great educational significance. PS:SPARE BALL - One extra ball is included along with a manual on replacing the wire Perfect steel balls Solid bearing steel balls (electroplating) Diameter: 20mm or 20.65mm It can make the collision between balls crisper, the sound is crisper, and the swing time is long. Drilling process Upgraded drilling process, no hand-stretching, reinforced fishing line, not easy to fall off NANO TECHNOLOGY The wire is made of high-impact resistant nylon manufactured with nano technology for ultra-thin yet extremely durable oscillatory support Frame material 8MM solid diameter frame material Natural and bright color Save and use longer PRODUCT SPECIFICATIONS ## 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 | #17,160 in Toys & Games ( See Top 100 in Toys & Games ) #185 in Educational Science Kits | | Brand Name | CERROPI | | Color | Silver | | Customer Reviews | 4.5 out of 5 stars 1,466 Reviews | | Educational Objective | Logical Thinking | | Global Trade Identification Number | 00715668926103 | | Included Components | 1PC Newtons Cradle | | 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 | | Size | Large | | Supported Battery Types | No batteries required | | Theme | Physics | | UPC | 715668926103 | | Unit Count | 1 Count | ## Images ![Newtons Cradle Pendulum with 7 Balls - Image 1](https://m.media-amazon.com/images/I/519EtFoV5NL.jpg) ![Newtons Cradle Pendulum with 7 Balls - Image 2](https://m.media-amazon.com/images/I/618wVRz9aCL.jpg) ![Newtons Cradle Pendulum with 7 Balls - Image 3](https://m.media-amazon.com/images/I/511TFlyvwdL.jpg) ![Newtons Cradle Pendulum with 7 Balls - Image 4](https://m.media-amazon.com/images/I/61CuTOfMvZL.jpg) ![Newtons Cradle Pendulum with 7 Balls - Image 5](https://m.media-amazon.com/images/I/51xtCByVr-L.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***Y on April 7, 2026* ### ⭐⭐⭐⭐⭐ Review *by P***T on July 4, 2025* ### ⭐⭐⭐⭐⭐ Review *by J***D on March 27, 2026* ## 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.id/products/167633601-newtons-cradle-pendulum-with-7-balls](https://www.desertcart.id/products/167633601-newtons-cradle-pendulum-with-7-balls) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-05-09*