---
product_id: 300554019
title: "Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04"
brand: "joytech"
price: "RM255"
currency: MYR
in_stock: true
url: https://www.desertcart.com.my/products/300554019-joytech-3-93-100mm-diameter-spinning-top-base-k9-crystal
store_origin: MY
region: Malaysia
---

# Extends top spin time by reducing friction Double concave mirror for stable spin 3.93'' K9 optical glass diameter Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04

**Brand:** joytech
**Price:** RM255
**Availability:** ✅ In Stock

## Summary

> 🔄 Elevate your spin game with crystal-clear precision and unstoppable momentum!

## Quick Answers

- **What is this?** Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 by joytech
- **How much does it cost?** RM255 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/300554019-joytech-3-93-100mm-diameter-spinning-top-base-k9-crystal)

## 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 Booster:** Smooth, low-friction surface significantly extends your top’s spin duration.
- • **Risk-Free Investment:** Enjoy peace of mind with a 6-month free replacement guarantee against damage.
- • **Double Concave Design:** Innovative concave top and bottom keep your spinning top perfectly centered and stable.
- • **Educational & Engaging:** Demonstrates light reflection principles, making it a sleek STEM accessory for curious minds.
- • **Precision K9 Optical Glass:** Crafted from premium K9 crystal for flawless clarity and durability.

## Overview

The Joytech 3.93'' Diameter Spinning Top Base is a high-end accessory made from premium K9 optical glass featuring a double concave mirror design. This innovative base stabilizes your spinning top by keeping it centered, reduces friction to extend spin time, and doubles as an educational tool demonstrating light reflection. Lightweight and durable, it comes with a 6-month damage replacement guarantee, making it the perfect blend of performance and learning for enthusiasts aged 13 and up.

## Description

Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04

## Features

- 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. FREE REPLACEMENT IF DAMGE WITHIN 6MONTHS.
- 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.
- HIGH QUALITY ---- The base is made of K9 optical glass, smooth surface, no defects, chamfered edges, no burrs to prevent hand scratches. Apply to spinning top.
- 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 children were curious about it.This is not only a base, but also a knowledge point that children need to learn.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Educational Objective(s) | Concentration |
| Model Number | DZ04 |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Glass |
| Colour | Transparent |
| Package Dimensions | 13.72 x 13.72 x 5.59 cm; 50 g |
| Item model number | DZ04 |
| Manufacturer recommended age | 13 years and up |
| Manufacturer | Joytech |
| Country of Origin | USA |
| Item Weight | 50 g |

## Images

![Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 - Image 1](https://m.media-amazon.com/images/I/61XBaPJi08L.jpg)
![Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 - Image 2](https://m.media-amazon.com/images/I/81BY-lzrnNS.jpg)
![Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 - Image 3](https://m.media-amazon.com/images/I/815KPGGn9vL.jpg)
![Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 - Image 4](https://m.media-amazon.com/images/I/81bzwuYMktL.jpg)
![Joytech 3.93'' (100mm) Diameter Spinning Top Base K9 Crystal Glass Concave Mirror, Great High End Transparent Surface Double Concave Top Accessory DZ04 - Image 5](https://m.media-amazon.com/images/I/71IiyW3d40L.jpg)

## Available Options

This product comes in different **Style Name** options.

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-25*