---
product_id: 629466057
title: "Mould King Technic Visible L-4 Engine Building Blocks, L4 Diesel Engine Model Kit, 10087 Creative Engine Building Kit, STEM Toys Engine Building Sets, Gift for Kids 14+ and Adults(1787pcs)"
brand: "mould king"
price: "C$14160"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/629466057-mould-king-technic-visible-l-4-engine-building-blocks-l4
store_origin: NI
region: Nicaragua
---

# Motorized piston movement Transparent casing reveals mechanics 1787 pieces precision build Mould King Technic Visible L-4 Engine Building Blocks, L4 Diesel Engine Model Kit, 10087 Creative Engine Building Kit, STEM Toys Engine Building Sets, Gift for Kids 14+ and Adults(1787pcs)

**Brand:** mould king
**Price:** C$14160
**Availability:** ✅ In Stock

## Summary

> ⚙️ Ignite your inner engineer with every turn of the crankshaft!

## Quick Answers

- **What is this?** Mould King Technic Visible L-4 Engine Building Blocks, L4 Diesel Engine Model Kit, 10087 Creative Engine Building Kit, STEM Toys Engine Building Sets, Gift for Kids 14+ and Adults(1787pcs) by mould king
- **How much does it cost?** C$14160 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/629466057-mould-king-technic-visible-l-4-engine-building-blocks-l4)

## Best For

- mould king enthusiasts

## Why This Product

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

## Key Features

- • **Display-Ready Design:** Compact yet realistic dimensions make it a sleek conversation starter for your desk or shelf.
- • **See-Through Mechanics:** Transparent casing offers a rare inside look at intake, exhaust, and timing systems in motion.
- • **STEM Learning Elevated:** Perfect for ages 14+, this kit transforms complex engine mechanics into hands-on discovery.
- • **Dynamic Motorized Action:** Watch pistons fire and crankshaft rotate powered by a built-in motor—feel the engine come alive.
- • **Precision Engineering Masterpiece:** Build a true-to-life L4 engine with 1787 detailed pieces for an immersive STEM experience.

## Overview

The Mould KingTechnic Visible L-4 Engine Building Kit is a 1787-piece, motorized model replicating a real inline 4-cylinder diesel engine. Designed for ages 14+, it features moving pistons, a working crankshaft, and transparent casing to reveal authentic mechanical details, making it an engaging STEM educational tool and a stylish display piece.

## Description

Mould King Technic Visible L-4 Engine Building Blocks, L4 Diesel Engine Model Kit, 10087 Creative Engine Building Kit, STEM Toys Engine Building Sets, Gift for Kids 14+ and Adults(1787pcs)

## Features

- Realistic L4 Engine Model: This 1787-piece building set replicates a real inline 4-cylinder engine with moving pistons, connecting rods, and a working crankshaftm, the design follows actual engine mechanics for an authentic building experience
- Functional Motorized Operation: Includes a motor to power the engine, demonstrating realistic piston movement and firing sequence, watch the crankshaft rotate and valves operate just like a real engine
- Accurate Mechanical Details: Features precise intake/exhaust paths, timing system, and belt-driven mechanisms. The transparent casing reveals internal workings for better understandin
- Educational Engineering Project: Designed for ages 14+, this set helps users learn engine mechanics, combustion cycles, and power transmission through hands-on assembly
- Compact Display Size: Measures 32.6 x 23.4 x 20 cm (12.8 x 9.2 x 7.9 inches), making it a great size for display while maintaining realistic proportions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 29.46 x 8.84 x 41.4 cm; 2.08 kg |
| Manufacturer recommended age | 14 years and up |
| Item model number | 10087 |
| Educational Objective(s) | To support learning in engineering and mechanics, particularly for kids aged 14 and above. |
| Number of Puzzle Pieces | 787 |
| Assembly Required | Yes |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Plastic |
| Color | Black |
| ASIN | B0CYBXMV1L |

## Images

![Mould King Technic Visible L-4 Engine Building Blocks, L4 Diesel Engine Model Kit, 10087 Creative Engine Building Kit, STEM Toys Engine Building Sets, Gift for Kids 14+ and Adults(1787pcs) - Image 1](https://m.media-amazon.com/images/I/81XYbnBC28L.jpg)

## Questions & Answers

**Q: What should I do if some building pieces are missing from my set?**
A: 1.Free Replacement: Contact our store with your instruction manual photos of the missing parts, and we’ll ship them to you for free, no extra cost.

**Q: Are the building pieces compatible with other major toy brick brands?**
A: Our bricks are designed to universally align with standard-sized building systems for endless creativity.

## Frequently Bought Together

- Mould King L4 Engine Building Blocks, Mini Engine Model Kit, 10087 Creative Motor Building Kit, STEM Toys Sets, Gift for Kids 14+ and Adults (1787pcs)
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- Mould King W16 Engine Building Blocks Set, Combustion Engine Model That Runs, Mini Engine Build Kit for Adults with Battery and Motor, Engineering Construction STEM Toy for Children Boys Girl(952 Pcs)

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**Shop now:** [https://www.desertcart.ni/products/629466057-mould-king-technic-visible-l-4-engine-building-blocks-l4](https://www.desertcart.ni/products/629466057-mould-king-technic-visible-l-4-engine-building-blocks-l4)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-22*