---
product_id: 459988353
title: "Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06"
brand: "joytech"
price: "HK$432"
currency: HKD
in_stock: false
reviews_count: 5
url: https://www.desertcart.hk/products/459988353-joytech-4-13-105mm-diameter-spinning-top-base-crystal-glass
store_origin: HK
region: Hong Kong
---

# Extended spin time Concave mirror precision K9 optical glass clarity Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06

**Brand:** joytech
**Price:** HK$432
**Availability:** ❌ Out of Stock

## Summary

> ✨ Spin smarter, last longer, impress harder! 🔄

## Quick Answers

- **What is this?** Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 by joytech
- **How much does it cost?** HK$432 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/459988353-joytech-4-13-105mm-diameter-spinning-top-base-crystal-glass)

## Best For

- joytech enthusiasts

## Why This Product

- Trusted joytech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Spin Time Maximizer:** Engineered to minimize friction and resistance, this base significantly extends your top’s spin duration for mesmerizing play.
- • **Rapid Static Equilibrium:** Watch your gyro settle into a near-motionless, stable state faster than ever, creating a hypnotic frozen-in-time effect.
- • **Educational Optical Science:** More than a toy—demonstrate the fascinating laws of light reflection and concave mirror principles, perfect for curious minds and STEM enthusiasts.
- • **Crystal-Clear K9 Optical Glass:** Experience flawless smoothness and premium durability with a high-grade glass base that elevates your spinning top game.
- • **Double Concave Design for Perfect Stability:** Innovative concave mirrors on both sides keep your top centered and spinning longer, reducing wobble and boosting precision.

## Overview

The Joytech 4.13'' Spinning Top Base features a premium K9 optical glass construction with a protective plastic rim, designed specifically to enhance spinning top performance. Its double concave mirror design stabilizes the top, extends spin time by reducing friction, and accelerates static equilibrium for a visually stunning effect. Ideal for both play and educational purposes, it demonstrates optical reflection principles while delivering a high-end, durable surface for serious enthusiasts.

## Description

Attention: Glass is fragile, do not drop on the floor. Features: Diameter: 105 mm. (4.13 in) Weight: 180 g. (0.4 lb) Material: K9 optical glass & plastic. Package content: 1* Spinning Top Base

Review: Very chip quality product...
Review: excellent spinning platform

## Features

- HIGH QUALITY ---- The base is made of K9 optical glass, smooth surface, no defects, plastic black rim protective shell, effective protection of concave lens. Specially made for spinning top. FREE REPLACEMENT IF DAMGE WITHIN 6MONTHS.
- CONCAVE MIRROR ---- The top and bottom is concave, this prevents the top from leaving the base as it spins, and you get a great game experience, and when the top spin on the base, can find the center much faster.
- RAPID STATIC ---- When your gyro works on this base, it helps the gyro get into a stable and quiet state more quickly, once it settles down, it looks like it's "frozen" motionless in place.
- EXTEND TOP SPIN TIME ---- Experiments have shown that when the top is working on a smooth surface, it can extend the spin time, reduce bottom friction, and reduce resistance.
- OPTICAL EDUCATION ---- The principle of concave mirror is reflection imaging, has the effect of focusing light source, it demonstrates the law of light reflection. The student were curious about it.This is not only a base, but also a knowledge point that student need to learn.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TBJXRTX |
| Age Range Description | Baby |
| Best Sellers Rank | 521,306 in Toys & Games ( See Top 100 in Toys & Games ) 4,452 in Educational Science Kits |
| Brand | Joytech |
| Brand Name | Joytech |
| Colour | Black |
| Customer Reviews | 4.3 out of 5 stars 491 Reviews |
| Item Dimensions | 10.5 x 10.5 x 10.5 centimetres |
| Item Dimensions W x H | 10.5W x 10.5H centimetres |
| Item Weight | 0.05 Kilograms |
| Item weight | 0.05 Kilograms |
| Manufacturer | Joytech |
| Material | Plastic Glass |
| Material Type | Plastic Glass |
| Minimum Age Recommendation | 156.00 |
| Product dimensions | 10.5W x 10.5H centimetres |
| Size | One Size |

## Images

![Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 - Image 1](https://m.media-amazon.com/images/I/61d9zl3uLIL.jpg)
![Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 - Image 2](https://m.media-amazon.com/images/I/61Q8FVirmBL.jpg)
![Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 - Image 3](https://m.media-amazon.com/images/I/818sNUK5MuS.jpg)
![Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 - Image 4](https://m.media-amazon.com/images/I/81Tlwk2MXYL.jpg)
![Joytech 4.13'' (105mm) Diameter Spinning Top Base Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ06 - Image 5](https://m.media-amazon.com/images/I/81UN7nwfbFL.jpg)

## Customer Reviews

### ⭐ Very chip quality product...
*by R***V on 21 September 2022*



### ⭐⭐⭐⭐⭐ excellent spinning platform
*by V***E on 28 January 2026*



### ⭐⭐⭐ Concave glass disk
*by M***R on 22 August 2022*



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**Shop now:** [https://www.desertcart.hk/products/459988353-joytech-4-13-105mm-diameter-spinning-top-base-crystal-glass](https://www.desertcart.hk/products/459988353-joytech-4-13-105mm-diameter-spinning-top-base-crystal-glass)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-03*