---
product_id: 442191606
title: "QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office"
brand: "qlkunla"
price: "$139.81"
currency: USD
in_stock: true
reviews_count: 1
url: https://www.desertcart.ec/products/442191606-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration
store_origin: EC
region: Ecuador
---

# Perpetual Motion Display Premium Beech Wood Build Momentum Conservation QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office

**Brand:** qlkunla
**Price:** $139.81
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your desk with the timeless dance of physics!

## Quick Answers

- **What is this?** QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office by qlkunla
- **How much does it cost?** $139.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/442191606-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration)

## 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

- • **Desk Statement:** Elevate your workspace with a sleek, meditative kinetic sculpture that sparks curiosity.
- • **Gift of Genius:** A thoughtful, stylish gift that blends learning, decor, and fun for any occasion.
- • **Educational Edge:** Perfect for professionals and kids alike to explore momentum and energy concepts hands-on.
- • **Physics in Motion:** Watch real-time energy transfer with every swing—science you can see!
- • **Stress-Busting Kinetics:** Soothe your mind and break monotony with mesmerizing perpetual motion.

## Overview

The QLKUNLANewtons Cradle is a 14cm desktop kinetic sculpture crafted from premium beech wood, demonstrating momentum conservation and perpetual motion without batteries. Ideal for office decor, stress relief, and educational use, it offers a captivating visual of physics principles in action.

## Description

Newtons Cradle: Newtoncradle demonstrates the third law of motion with swinging spheres; when oneball is lifted and released it sends force through the rest, pushing the endball in the opposite direction; these swinging kinetic balls are perfectaddition to your office desk decoration accessories or teaching tool at schools Specifications: Size: 5.7x5.7x4.7 in Material: Solid wood+ Fishing line+ Stainless steel balls &structure Occasions: Science Education supplies, Psychotherapy, Stress release,Leisure and entertainment, Birthday present, Holiday gifts, Business gifts Warm Prompt: 1.When you use thisnewton’s cradle, please move it in a horizontal line, so the lines will not betangled. 2.The ball in order from the outside to the inside, one by one from the inside of the foam to remove one by one, take special care not to tangle the line together! 3.If it was tangled,you could untangle it still with some patience and time, then you will fix it.It’s also a challenge for you, why not have a try? How to untangle it:Firstly, please figure out how the wires were tangled, then follow the wires tountangle it, and you can untangle it in few mins.

## 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 |
|---------------|-------|
| Product Dimensions | 14.22 x 11.94 x 14.48 cm; 508 g |
| Manufacturer recommended age | 3 years and up |
| Item model number | A-09 |
| Educational Objective(s) | Physics Concepts (Momentum Conservation, Perpetual Motion, Energy Conservation) |
| 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) | Beech |
| Color | white |
| ASIN | B0B253HMYK |

## Product Details

- **Size:** 5.7x5.7x4.7 in
- **Brand:** QLKUNLA
- **Theme:** Space
- **Age range (description):** Kid
- **Item dimensions L x W x H:** 14.2 x 11.9 x 14.5 centimeters

## Images

![QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office - Image 1](https://m.media-amazon.com/images/I/61XyO69K0ML.jpg)
![QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office - Image 2](https://m.media-amazon.com/images/I/61Q6axlcLaL.jpg)
![QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office - Image 3](https://m.media-amazon.com/images/I/61ojYvIflYL.jpg)
![QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office - Image 4](https://m.media-amazon.com/images/I/61cRDgh2HqL.jpg)
![QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office - Image 5](https://m.media-amazon.com/images/I/61pipZDXdXL.jpg)

## Available Options

This product comes in different **Edition** options.

## Customer Reviews

### ⭐⭐⭐⭐ Ok
*by A***. on 3 August 2025*

Works. Shame no auto supply

## Frequently Bought Together

- QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office
- Homedics Tabletop Water Fountain, Home Décor Soothing Sound Machine - Automatic Pump, Deep Basin & Natural River Rocks. Indoor Zen Relaxation for Office, Living Room, or Bedroom, 8.25” Tall
- Artificial Bonsai Tree Juniper Faux Plants Indoor Small Fake Plants Decor with Ceramic Pots for Home Table Office Desk Bathroom Shelf Bedroom Living Room Farmhouse Decorations

---

## 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.ec/products/442191606-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration](https://www.desertcart.ec/products/442191606-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-22*