---
product_id: 455490723
title: "QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office"
brand: "qlkunla"
price: "₩65745"
currency: KRW
in_stock: true
reviews_count: 8
category: "Qlkunla"
url: https://www.desertcart.kr/products/455490723-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration
store_origin: KR
region: South Korea
---

# STEM educational tool Perpetual motion physics demo 5.7-inch desktop kinetic art QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office

**Brand:** qlkunla
**Price:** ₩65745
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your desk with the timeless dance of momentum!

## 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?** ₩65745 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/455490723-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 blending education, style, and playful relaxation for any occasion.
- • **Gravity in Action:** Watch real-time energy transfer with every swing—physics you can see and feel.
- • **STEM Learning Made Fun:** Perfect for professionals and kids alike to explore momentum and energy conservation.
- • **Stress-Relief Kinetics:** Engage in meditative motion to boost focus and reduce workday tension effortlessly.
- • **Executive Desk Statement:** Elevate your workspace with a sleek, science-inspired decor piece that sparks conversation.

## Overview

The QLKUNLA Newtons Cradle is a 5.7-inch desktop kinetic toy demonstrating perpetual motion and energy conservation. Crafted for adults and kids 3+, it requires no batteries and serves as both an executive desk accessory and an engaging STEM educational tool. With over 1,800 positive reviews and a top ranking in executive toys, it’s the perfect blend of science, style, and stress relief.

## Description

desertcart.com: QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office : 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 quality - My son requested one of these for Christmas. Well made and he loves playing with it.

## 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 |
| Age Range Description | Adult |
| Battery Description | No batteries required |
| Best Sellers Rank | #2,738 in Toys & Games ( See Top 100 in Toys & Games ) #12 in Executive Desk Toys |
| Brand Name | QLKUNLA |
| Customer Reviews | 4.3 out of 5 stars 1,817 Reviews |
| Educational Objective | STEM |
| Included Components | Newton's pendulum X1 |
| Item Dimensions | 5.6 x 4.7 x 5.7 inches |
| Item Height | 5.7 inches |
| Item Weight | 0.51 Kilograms |
| Manufacturer | QLKUNLA |
| Manufacturer Maximum Age (MONTHS) | 960.00 |
| Manufacturer Minimum Age (MONTHS) | 36.00 |
| 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)

## Available Options

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

## 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 quality
*by J***H on December 30, 2025*

My son requested one of these for Christmas. Well made and he loves playing with it.

### ⭐⭐⭐⭐⭐ Relaxing item
*by L***N on January 10, 2026*

It's smaller then I thought it would be but still looks and works great.

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**Shop now:** [https://www.desertcart.kr/products/455490723-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration](https://www.desertcart.kr/products/455490723-qlkunla-newtons-cradle-balance-balls-science-physics-gadget-desktop-decoration)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-31*