---
product_id: 360142902
title: "LEGO Technic NEW LIGHT GREY RACK GEAR SET Track Kit 1x4 Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor (Pack of 4 pcs)"
brand: "lego"
price: "$100494"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/360142902-lego-technic-new-light-grey-rack-gear-set-track-kit
store_origin: CO
region: Colombia
---

# Compact 0.76x5.08x0.76 cm size 100% Authentic LEGO ABS plastic Precision 1x4 rack gear teeth LEGO Technic NEW LIGHT GREY RACK GEAR SET Track Kit 1x4 Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor (Pack of 4 pcs)

**Brand:** lego
**Price:** $100494
**Availability:** ✅ In Stock

## Summary

> ⚙️ Unlock your robotic genius with authentic LEGO precision!

## Quick Answers

- **What is this?** LEGO Technic NEW LIGHT GREY RACK GEAR SET Track Kit 1x4 Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor (Pack of 4 pcs) by lego
- **How much does it cost?** $100494 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/360142902-lego-technic-new-light-grey-rack-gear-set-track-kit)

## Best For

- lego enthusiasts

## Why This Product

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

## Key Features

- • **Creative Power Pack:** Set of 4 gears lets you experiment with complex gear trains and elevate your robotic creations.
- • **Genuine LEGO Quality:** Crafted from high-grade ABS plastic for durability and seamless compatibility with Mindstorms NXT and EV3 kits.
- • **Ready for Innovation:** No assembly or batteries needed—just snap in and start building your next breakthrough.
- • **Compact & Lightweight:** Slim 0.76 cm profile and just 9g per piece for sleek, efficient builds without bulk.
- • **Engineered for Precision:** Exact 1x4 rack gear design ensures flawless mechanical motion in your robotics projects.

## Overview

This LEGO Technic Light Grey Rack Gear Set includes 4 genuine 1x4 rack gears made from durable ABS plastic, designed for seamless integration with Mindstorms NXT and EV3 robotics kits. Compact and lightweight, these precision parts empower creative mechanical builds for ages 12 and up.

## Description

Technic NEW LIGHT GREY RACK GEAR SET Track Kit 1x4 Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor (Pack of 4 pcs)

## Features

- 100% Authentic LEGO parts and Pieces
- Measurements are in dots, NOT inches
- This genuine spare part bundle comes in a clear sealed plastic bag. NO BOX or instructions are included.
- Material: High quality ABS plastic

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 0.76 x 5.08 x 0.76 cm; 9.07 g |
| Manufacturer recommended age | 12 years and up |
| Item model number | 43221-6164 |
| Educational Objective(s) | Creative Thinking |
| Number of pieces | 4 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| Material Type(s) | Acrylonitrile Butadiene Styrene |
| Colour | Grey |
| ASIN | B01LYBKXND |

## Product Details

- **Brand:** LEGO
- **Manufacturer Minimum Age (MONTHS):** 144
- **Material:** Acrylonitrile Butadiene Styrene
- **Colour:** Grey
- **Educational objective:** Creative Thinking
- **Number of pieces:** 4
- **Theme:** Robot
- **Special feature:** Non Toxic
- **Model name:** robot robotics
- **Item dimensions L x W x H:** 8 x 51 x 8 millimetres

## Images

![LEGO Technic NEW LIGHT GREY RACK GEAR SET Track Kit 1x4 Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor (Pack of 4 pcs) - Image 1](https://m.media-amazon.com/images/I/41hvy0FalzL.jpg)

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**Shop now:** [https://www.desertcart.co/products/360142902-lego-technic-new-light-grey-rack-gear-set-track-kit](https://www.desertcart.co/products/360142902-lego-technic-new-light-grey-rack-gear-set-track-kit)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-28*