---
product_id: 583653209
title: "Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads)"
brand: "qlkunla"
price: "10950 kr"
currency: ISK
in_stock: true
reviews_count: 8
category: "Qlkunla"
url: https://www.desertcart.is/products/583653209-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration-kinetic
store_origin: IS
region: Iceland
---

# Solid wood & stainless steel build Compact 5.7x5.7x4.7 inch size 7 stainless steel kinetic balls Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads)

**Brand:** qlkunla
**Price:** 10950 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Swing into brilliance with every click — physics never looked this cool!

## Quick Answers

- **What is this?** Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) by qlkunla
- **How much does it cost?** 10950 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/583653209-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:** A thoughtful, classy present that blends fun, learning, and decor — ideal for birthdays, holidays, or office milestones.
- • **Physics in Motion:** Experience the mesmerizing transfer of momentum and energy with every swing — a live demo of Newton’s Third Law.
- • **Stress-Relief Zen:** Watch the rhythmic perpetual motion to unwind and reset during hectic workdays — your new mindful break ritual.
- • **Sleek Desk Statement:** Elevate your workspace with a stylish, minimalist kinetic sculpture that sparks curiosity and conversation.
- • **Educational Powerhouse:** Perfect for managers and professionals who love to blend science with style — impress clients or inspire teams.

## Overview

The Newton's Cradle Balance Balls is a compact, elegant desktop kinetic toy featuring 7 stainless steel balls suspended on solid wood and fishing line. Demonstrating momentum, energy conservation, and Newton’s Third Law, it doubles as a stylish office decor piece and an engaging educational tool. Perfect for stress relief, conversation starters, and gifting to science enthusiasts or professionals seeking a blend of function and flair.

## Description

Product 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. Directions When using this Newton's cradle, move it in a horizontal line to avoid tangling the lines. To remove the balls, take them out one by one from the inside of the foam. If the lines get tangled, untangle them by following the wires. If it's still tangled, use patience and time to fix it. Safety Warning No applicable

Review: A nice gift, well worth it - My son really loved this, it was one of his birthday gifts. It's stylish and delicate and looks nice on his desk.
Review: Great buy - Best buy for my room in school, children love it

## Features

- Warning:Not suitable for children under 3 years. For use under adult supervision
- 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! Be sure to recognise Sold by Xinbaohong!
- 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,Kid |
| Age range (description) | Adult,Kid |
| Brand | QLKUNLA |
| Brand Name | QLKUNLA |
| Country Of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 582 Reviews |
| Educational Objective | Understanding Momentum, Energy Conservation, and Third Law of Motion in Physics |
| Included Components | Newton's pendulum X1 |
| Item Dimensions | 17 x 11.9 x 14.8 centimetres |
| Item Type Name | Newtons Cradle Balance Balls |
| Item Weight | 1.17 Kilograms |
| Item dimensions L x W x H | 17 x 11.9 x 14.8 centimetres |
| Item height | 5.83 inches |
| Item weight | 1.17 Kilograms |
| Manufacturer | QLKUNLA |
| Manufacturer Warranty Description | 1 |
| Maximum Age Recommendation | 36 |
| Minimum Age Recommendation | 36 |
| Size | 5.7x5.7x4.7 inches |
| Theme | Physics |
| Unit Count | 1.0 Count |

## Product Details

- **Age range (description):** Adult,Kid
- **Brand:** QLKUNLA
- **Item dimensions L x W x H:** 17 x 11.9 x 14.8 centimetres
- **Size:** 5.7x5.7x4.7 inches
- **Theme:** Physics

## Images

![Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads) - Image 1](https://m.media-amazon.com/images/I/61tPipkRoHL.jpg)

## 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

### ⭐⭐⭐⭐⭐ A nice gift, well worth it
*by K***K on 10 January 2026*

My son really loved this, it was one of his birthday gifts. It's stylish and delicate and looks nice on his desk.

### ⭐⭐⭐⭐⭐ Great buy
*by A***R on 17 October 2025*

Best buy for my room in school, children love it

### ⭐⭐⭐⭐ Good
*by A***S on 5 November 2024*

Not top quality. But does what is supposed to do.

## Frequently Bought Together

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-23*