--- product_id: 548570775 title: "Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads)" brand: "qlkunla" price: "45061CFA" currency: XOF in_stock: true reviews_count: 13 category: "Qlkunla" url: https://www.desertcart.sn/products/548570775-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration-kinetic store_origin: SN region: Senegal --- # Compact 6.7x4.7x5.8 inch desktop size Smooth perpetual kinetic motion 7 precision-balanced beechwood beads Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads) **Brand:** qlkunla **Price:** 45061CFA **Availability:** ✅ In Stock ## Summary > ⚡️ Master momentum, mesmerize your mind! ## Quick Answers - **What is this?** Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads) by qlkunla - **How much does it cost?** 45061CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/548570775-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration-kinetic) ## Best For - qlkunla enthusiasts ## Why This Product - Trusted qlkunla brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Gift of Genius:** Ideal for millennial managers who value smart decor and meaningful, science-inspired gifts. - • **STEM Meets Style:** Perfect for professionals and educators to demonstrate momentum and energy conservation with flair. - • **Gravity in Action:** Watch physics come alive as energy transfers flawlessly across 7 polished beads. - • **Executive Desk Statement:** Elevate your workspace with a sleek, meditative kinetic sculpture that sparks curiosity and conversation. - • **Stress-Relief Meets Productivity:** A satisfying tactile break that refreshes your mind and keeps you in the flow. ## Overview The QLKUNLA Newtons Cradle features 7 beechwood beads precisely balanced to demonstrate the conservation of momentum and energy. Compact and stylish, it serves as both an educational STEM tool and a sophisticated desktop accessory, perfect for home or office environments. With smooth perpetual motion and a meditative effect, it’s a top-rated executive toy that blends science, stress relief, and modern decor. ## Description desertcart.com: QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads) : Toys & Games Review: Great science learning - Very nice but beware of tangling nylon cords if used with too young of child. I recommend this for 8 yr old and up. Review: Great - It’s great product I love it my son loves so much it is very good ## Features - Gravity At Work :See before your eyes as the Newton Balls transfer fall and transfer weight across the gadget. Drop one ball or two balls. You can see the energy transfer in such an astounding way! - Office Desk Decor :Show some character and express your love for science and physics with this decorating your office space. Can be meditative and fun to watch also! - Educational & Classy :Experience the visual display of momentum. Use this in class and share with your friends and family the exciting world of physics and science! - Perpetual Motion: The pendulum balls show the conservation of momentum and energy, creating perpetual motion,these swinging kinetic balls are perfect addition to your office desk decoration accessories or teaching tool at schools. - Good Gift Idea: Suit for both kids and adults, excellent for learning science, killing boring time and releasing stress, which makes it a good present for birthday, holiday. Meanwhile, It’s not only a toy, but also a good desk decor. You can put it on your desk or shelf, and swing it anytime when you passing by, it will be a wonderful scenery in your home or office! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C7KRG6NP | | Age Range Description | Adult | | Best Sellers Rank | #5,629 in Toys & Games ( See Top 100 in Toys & Games ) #186 in Educational Science Kits | | Brand Name | QLKUNLA | | Customer Reviews | 4.2 out of 5 stars 727 Reviews | | Educational Objective | STEM | | Included Components | Newton's pendulum X1 | | Item Dimensions | 6.69 x 4.7 x 5.83 inches | | Item Weight | 1.17 kg | | Manufacturer | QLKUNLA | | Manufacturer Maximum Age (MONTHS) | 960 | | Manufacturer Minimum Age (MONTHS) | 36 | | Manufacturer Part Number | A-12 | | Material Type | Beech | | Model Number | A-12 | | Number of Items | 1 | | Set Name | 7 | | Size | 4.7 x 6.69 x 5.83 inches | | Theme | Physics | | Unit Count | 1 count | ## Images ![Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads) - Image 1](https://m.media-amazon.com/images/I/61tPipkRoHL.jpg) ## Available Options This product comes in different **Edition** options. ## Questions & Answers **Q: Will this keep going all day with out stopping? I need it to keep going all day to trick my thermostat that there is someone home ?** A: This isn't a perpetual motion device. It will stop after about a minute. Friction has its way. **Q: is the base wood some say it is not** A: It's not wood, it's plastic. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great science learning *by A***R on July 23, 2025* Very nice but beware of tangling nylon cords if used with too young of child. I recommend this for 8 yr old and up. ### ⭐⭐⭐⭐⭐ Great *by K***2 on July 25, 2026* It’s great product I love it my son loves so much it is very good ### ⭐⭐⭐⭐ Works fine after fixing broken string *by K***Y on December 25, 2025* The product came with one of the strings broken, thankfully I was able to superglue it back ## Frequently Bought Together - QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) (7 Beads) - JOEYANK Fidget Cube New Version Fidget Finger Toys - Metal Infinity Cube Prime for Stress and Anxiety Relief/ADHD, Ultra Durable Sensory Gifts for Adults and Teens Kids - Fidget Toys Adult, Gravity Defying Kinetic Desk Toy, Metal ADHD Silent Fidget Toy Spinner, Balance Desk Toys for Office for Adults, Party Favors, Birthday (Gray-Rose Gold Ball) --- ## 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.sn/products/548570775-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration-kinetic](https://www.desertcart.sn/products/548570775-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration-kinetic) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-25*