--- product_id: 745285681 title: "Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+" brand: "mould king" price: "27.76 OMR" currency: OMR in_stock: true category: "Mould King" url: https://www.desertcart.com.om/products/745285681-mould-king-w12-engine-building-block-871-pcs-model-kit store_origin: OM region: Oman --- # Transparent cylinder head Working W12 engine transmission 871 precision pieces Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ **Brand:** mould king **Price:** 27.76 OMR **Availability:** ✅ In Stock ## Summary > ⚙️ Build brilliance, drive curiosity, own the engine of innovation! ## Quick Answers - **What is this?** Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ by mould king - **How much does it cost?** 27.76 OMR with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/745285681-mould-king-w12-engine-building-block-871-pcs-model-kit) ## 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 - • **STEM Skill Builder:** Challenging DIY assembly sharpens technical skills and deepens automotive knowledge. - • **Display-Ready Design:** Compact 22.5×25.4×13.2cm model perfect for showcasing your engineering prowess. - • **Realistic Engine Dynamics:** Fully functional W12 engine transmission simulates blade rotation and drivetrain operation. - • **See the Science in Action:** Transparent cylinder head reveals intricate valve, turbocharger, and exhaust mechanics. - • **Precision Engineering Masterpiece:** 871 interlocking pieces deliver an authentic, hands-on mechanical experience. ## Overview The Mould King W12 Engine Building Block is an 871-piece STEM model kit designed for adults 14 and up. Featuring a transparent cylinder head and a fully functional W12 engine transmission, this kit offers an immersive educational experience that combines mechanical engineering with hands-on assembly. Measuring 22.5×25.4×13.2cm, it’s perfect for display and skill development, making it a must-have for car enthusiasts and STEM learners alike. ## Description desertcart.com: Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ : Toys & Games ## Features - Working W12 Engine Transmission Model: This engine model kit that works accurately simulates blade rotation and drivetrain operation, showcasing automotive engineering for builders age 14+ - Clear View Mechanical Design: Transparent cylinder head reveals detailed internal mechanics including valve system turbocharger and exhaust making this engine model kit for adults both educational and display worthy - Mechanical Engineering Project: The 871 piece engine model kit that runs develops technical skills through assembly while producing authentic engine - Complete Building Package: Includes color-coded manuals in protective packaging, assembled model measures 22.5×25.4×13.2cm (8.9×10.0×5.2in) - Premium Automotive Build: This mould king engine compatible transmission set delivers precise mechanical movement for car enthusiasts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F9F1DBMN | | Additional Features | Easy Storage | | Age Range Description | Aged 14+ | | Best Sellers Rank | #135,535 in Toys & Games ( See Top 100 in Toys & Games ) #4,176 in Toy Building Sets | | Brand Name | Mould King | | Customer Reviews | 3.9 3.9 out of 5 stars (22) | | Educational Objective | STEM | | Indoor Outdoor Usage | Indoor | | Item Dimensions | 10 x 8.9 x 5.2 inches | | Manufacturer | Guangdong Yuxing Technology Industry Co., Ltd | | Manufacturer Maximum Age (MONTHS) | 180 | | Manufacturer Minimum Age (MONTHS) | 168 | | Manufacturer Part Number | AML-10230-0521 | | Material Type | Plastic | | Model Name | AML-10230-0521 | | Number of Pieces | 871 | | Set Name | W12 Engine 10230 | | Target Audience | Adult | | Theme | Engine | | Toy Building Block Type | Interlocking Toy Building Block | | UPC | 774882649458 | ## Images ![Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ - Image 1](https://m.media-amazon.com/images/I/81XNe6UfrIL.jpg) ![Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ - Image 2](https://m.media-amazon.com/images/I/81th9Qbwv0L.jpg) ![Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ - Image 3](https://m.media-amazon.com/images/I/81wo0JATWCL.jpg) ![Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ - Image 4](https://m.media-amazon.com/images/I/81YfG7CqGoL.jpg) ![Mould King W12 Engine Building Block, 871 Pcs Model Kit for Adults 14+ | V8 Engine Scale Model, STEM DIY Kit That Works, 871 Pieces, For Adults and Aged 14+ - Image 5](https://m.media-amazon.com/images/I/81DQMdfTb2L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: What should I do if there are missing parts in the building block set?** A: Our packing process is completely mechanical and there are very few missing parts. If there are missing parts, please contact our store and we will send you the missing parts for free. **Q: I'm always worried that building sets' instructions are too complex to understand. How about yours?** A: Our toy building sets come with detailed step - by - step and full - color instruction manuals. Whether you are a beginner or an experienced builder, you will find the assembly process smooth and enjoyable. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.om/products/745285681-mould-king-w12-engine-building-block-871-pcs-model-kit](https://www.desertcart.com.om/products/745285681-mould-king-w12-engine-building-block-871-pcs-model-kit) --- *Product available on Desertcart Oman* *Store origin: OM* *Last updated: 2026-07-28*