---
product_id: 460119199
title: "40 pcs Technic UNIVERSAL\"U\" JOINT 3L Lot pack robot motor robotics advanced building mindstorms EV3 NXT part piece 61903 62520c01（Random Color）"
brand: "seemey"
price: "HK$181"
currency: HKD
in_stock: true
reviews_count: 3
category: "Seemey"
url: https://www.desertcart.hk/products/460119199-40-pcs-technic-universalu-joint-3l-lot-pack-robot-motor
store_origin: HK
region: Hong Kong
---

# Compatible with major brands Easy assembly & disassembly 40 pcs precision 'U' joints 40 pcs Technic UNIVERSAL"U" JOINT 3L Lot pack robot motor robotics advanced building mindstorms EV3 NXT part piece 61903 62520c01（Random Color）

**Brand:** seemey
**Price:** HK$181
**Availability:** ✅ In Stock

## Summary

> ⚙️ Build Beyond Limits – Join the Robotics Revolution!

## Quick Answers

- **What is this?** 40 pcs Technic UNIVERSAL"U" JOINT 3L Lot pack robot motor robotics advanced building mindstorms EV3 NXT part piece 61903 62520c01（Random Color） by seemey
- **How much does it cost?** HK$181 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/460119199-40-pcs-technic-universalu-joint-3l-lot-pack-robot-motor)

## Best For

- seemey enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Works effortlessly with mainstream building block brands, including LEGO, expanding your creative possibilities.
- • **Endless Creative Freedom:** Perfect for STEM, EV3, MOC, and DIY projects—unlock your inner engineer and stand out in your maker community.
- • **Durable & Affordable Materials:** Crafted from premium plastic to ensure longevity and repeated use in all your STEAM activities.
- • **Precision Engineering for Robotics:** 40 high-quality 'U' joint pieces designed for seamless integration in advanced robotics projects.
- • **Effortless Assembly & Reconfiguration:** Simple to assemble and disassemble, empowering you to prototype and innovate without limits.

## Overview

The SEEMEY 40 pcs Technic UNIVERSAL 'U' JOINT 3L Lot pack offers a versatile set of durable, precision-engineered plastic parts compatible with leading building block brands. Ideal for STEM and robotics enthusiasts aged 1 to 6 years, this manual operation kit promotes technical skills and creative freedom, making it a must-have for advanced building projects and innovative DIY creations.

## Description

We have a variety of building block upgrade options: Over 600 lighting kits available in our store More than 50 power upgrade kits available in our store More than 20 kinds of spare parts sets, you can do STEM, EV3, MOC and other DIY, you can find tread,sprocket,wheel,large,link,chain,holes,and,reinforced,rim,tire,wedge,belt,pulley,bush ,axle,connector,perpendicular,pins,bent,friction,ridges,notched,liftarm,modified,frame,thick,gear,tooth,knob,cog,double,bevel,rack,and other spare parts, Finest quality meaterials, affordable and durable.

Review: Good deal .works well with lego
Review: They all work good

## Features

- Please note: the colors of the building blocks are random,The product color in the picture is only for demonstration reference.
- STEAM activity kits ,Diy toy,can assemble freedom to create unique creative.
- Technic parts assortment pack 80Parts,same as picture Applied to the standard small particle parts, it can be compatible with the mainstream brands on the market, a great accessories set. Easily to be assembled and disassembled, simple to use.
- Finest quality meaterials, affordable and durable
- Fun and useful for your technic project, a great gift choice for building block fans.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B7RG6YN5 |
| Age Range Description | Kid |
| Best Sellers Rank | #110,806 in Toys ( See Top 100 in Toys ) #4,969 in Toy Building Sets |
| Brand Name | SEEMEY |
| Color | Silver |
| Country of Publication | China |
| Customer Reviews | 4.1 out of 5 stars 16 Reviews |
| Educational Objective | Promoting Technical and Creative Skills |
| Item Dimensions | 12 x 10 x 25 centimeters |
| Manufacturer | SEEMEY |
| Manufacturer Maximum Age (MONTHS) | 72 |
| Manufacturer Minimum Age (MONTHS) | 12.00 |
| Material Type | Plastic |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | manual |
| Size | S |
| Sub Brand | Technic |
| Supported Battery Types | No batteries required |
| Theme | Robot |

## Images

![40 pcs Technic UNIVERSAL"U" JOINT 3L Lot pack robot motor robotics advanced building mindstorms EV3 NXT part piece 61903 62520c01（Random Color） - Image 1](https://m.media-amazon.com/images/I/71E3M-cFt+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good deal .works well with lego
*by K***E on 26 January 2026*



### ⭐⭐⭐⭐⭐ They all work good
*by S***V on 10 February 2025*



### ⭐⭐⭐⭐⭐ Realy good
*by M***K on 17 September 2024*



## Frequently Bought Together

- SEEMEY 40 pcs Technic Universal U Joint 3L Lot Pack Robot Motor Robotics Advanced Building mindstorms EV3 NXT Part Piece 61903 62520c01（Random Color）
- Technic Parts Liftarm Thin Liftarm Frame 500G Building Blocks Pieces, STEM EV3 MOC Technic Pack Connector Bulk Lots (Random Color)
- Technical Parts Pieces Sets Liftarm Beams Bricks Bulk Axles Pins Panels Frame Beams Connectors, 580 Pieces Compatible with Technic-Block MOC Buildings Toys for Boys Adults Kids Age 6+

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**Shop now:** [https://www.desertcart.hk/products/460119199-40-pcs-technic-universalu-joint-3l-lot-pack-robot-motor](https://www.desertcart.hk/products/460119199-40-pcs-technic-universalu-joint-3l-lot-pack-robot-motor)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-18*