---
product_id: 735950227
title: "QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads)"
brand: "qlkunla"
price: "₨66883"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/735950227-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration
store_origin: LK
region: Sri Lanka
---

# Solid beech wood frame Perpetual kinetic motion demo 7 precision stainless steel balls QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads)

**Brand:** qlkunla
**Price:** ₨66883
**Availability:** ✅ In Stock

## Summary

> ⚡ Swing into brilliance with every click!

## Quick Answers

- **What is this?** QLKUNLA 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?** ₨66883 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/735950227-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

- • **Gift of Genius:** A sophisticated present that blends science, style, and stress relief for any occasion.
- • **Physics in Motion:** Visualize Newton’s 3rd law with every swing—energy transfer you can’t ignore.
- • **Educational Powerhouse:** Perfect for managers and mentors to inspire curiosity and scientific thinking.
- • **Sleek Office Statement:** Elevate your desk with a classy, meditative kinetic sculpture that sparks conversation.
- • **Stress-Busting Momentum:** Watch stress melt away as perpetual motion mesmerizes and calms your mind.

## Overview

The QLKUNLA Newtons Cradle features 7 stainless steel balls suspended on durable fishing lines within a solid beech wood frame, demonstrating the conservation of momentum and energy through perpetual kinetic motion. Sized compactly at 16.99 x 11.94 x 14.81 cm and weighing just over 1 kg, it’s a stylish desktop accessory that doubles as an educational tool and stress-relief gadget, perfect for home, office, or classroom use.

## Description

QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office(7 Beads)

## 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 |
|---------------|-------|
| Model Number | A-12 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Beech |
| Product Dimensions | 16.99 x 11.94 x 14.81 cm; 1.17 kg |
| Item model number | A-12 |
| Manufacturer recommended age | 3 years and up |
| Manufacturer | QLKUNLA |
| Item Weight | 1 kg 170 g |

## Product Details

- **Brand:** QLKUNLA
- **Age Range (Description):** Adult, Kid
- **Item dimensions L x W x H:** 17 x 11.9 x 14.8 Centimeters
- **Item Weight:** 1.17 Kilograms
- **Assembly Required:** No

## Images

![QLKUNLA 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.

## Frequently Bought Together

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-17*