---
product_id: 442191606
title: "QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office"
brand: "qlkunla"
price: "Bs.882"
currency: BOB
in_stock: true
reviews_count: 6
category: "Qlkunla"
url: https://www.desertcart.bo/products/442191606-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration
store_origin: BO
region: Bolivia
---

# Premium beech wood & stainless steel Perpetual motion kinetic balls 5.7x5.7x4.7 in compact size QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office

**Brand:** qlkunla
**Price:** Bs.882
**Availability:** ✅ In Stock

## Summary

> ⚡ Swing into brilliance with the ultimate desktop kinetic art!

## 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?** Bs.882 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/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, science-inspired decor piece that sparks curiosity.
- • **Gift of Genius:** A thoughtful present blending fun, science, and style for all ages.
- • **Physics in Motion:** Watch momentum and energy conservation come alive with every swing.
- • **Educational Elegance:** Perfect for classrooms or home offices to inspire learning and conversation.
- • **Stress-Busting Kinetics:** Engage in a meditative break that refreshes your mind and boosts focus.

## Overview

The QLKUNLA Newtons Cradle is a compact, elegantly crafted desktop gadget made from solid beech wood and stainless steel balls. Demonstrating the principles of momentum conservation and perpetual motion, it serves as both a captivating office decor and an educational tool. Battery-free and easy to use, it’s perfect for stress relief, science enthusiasts, and anyone looking to add a touch of kinetic sophistication to their space.

## 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.

Review: Ok - Works. Shame no auto supply
Review: Fine as a pre-teen toy

## 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 | B0B253HMYK |
| Assembly Required | No |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #18,201 in Toys ( See Top 100 in Toys ) #366 in Educational Science Kits |
| Color | white |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,917) |
| Date First Available | 3 June 2022 |
| Educational Objective(s) | Physics Concepts (Momentum Conservation, Perpetual Motion, Energy Conservation) |
| Item model number | A-09 |
| Manufacturer recommended age | 3 years and up |
| Material Type(s) | Beech |
| Number of Game Players | 1 |
| Product Dimensions | 14.22 x 11.94 x 14.48 cm; 508 g |
| tech_spec_battery_description_toys | No batteries required |

## Product Details

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

## 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)

## Customer Reviews

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

Works. Shame no auto supply

### ⭐⭐⭐⭐⭐ Review
*by K***T on 15 September 2025*

Fine as a pre-teen toy

### ⭐⭐⭐⭐⭐ Review
*by C***N on 5 March 2024*

Marche très bien

## Frequently Bought Together

- QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office
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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-19*