--- product_id: 645897792 title: "10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs)" brand: "mould king" price: "€ 189.21" currency: EUR in_stock: true category: "Mould King" url: https://www.desertcart.fi/products/645897792-10087-l4-engine-building-kit-build-your-own-l4-engine store_origin: FI region: Finland --- # Battery-powered automatic motion STEM-focused engineering model 1787 precision pieces 10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs) **Brand:** mould king **Price:** € 189.21 **Availability:** ✅ In Stock ## Summary > ⚙️ Ignite your inner engineer—build, learn, and power up your passion! ## Quick Answers - **What is this?** 10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs) by mould king - **How much does it cost?** € 189.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/645897792-10087-l4-engine-building-kit-build-your-own-l4-engine) ## 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 - • **Precision Engineering Mastery:** Build a detailed 4-cylinder combustion engine with 1787 interlocking pieces for an immersive hands-on STEM experience. - • **Designed for Future Innovators:** Perfect for teens 14+, this kit sharpens critical thinking, problem-solving, and mechanical skills through engaging assembly. - • **Dynamic Battery-Powered Action:** Watch your engine come to life with automatic movement powered by included lithium polymer battery—real mechanics in motion. - • **Organized & User-Friendly Packaging:** All components individually bagged with clear, easy-to-follow instructions to streamline your build and minimize frustration. - • **The Ultimate Gift for Aspiring Engineers:** Gift a captivating blend of science, creativity, and fun—ideal for birthdays or holidays to inspire the next generation of tech leaders. ## Overview The Mould King 10087 L4 Engine Building Kit is a 1787-piece, battery-powered 4-cylinder combustion engine replica designed for teens 14 and older. This STEM-focused model offers an engaging hands-on experience that develops engineering skills, critical thinking, and creativity. With organized packaging and clear instructions, it’s an ideal educational toy that brings mechanical principles to life through dynamic, automatic motion. ## Description Buy Mould King 10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs): Science Kits & Toys - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Individual Package - All accessories are packed in an independent packing bag, which is easier for everyone to understand. The package now includes easy-to-understand instructions. It is easy for everyone to understand and assemble. - Build Your Own V8 Engine Kit - You are capable of building your own engine kit, your will get some awesome experiences developing this total model engine toy. To cause this little gadget to become animated unmistakably before their eyes! - Engineering Building Kit for Building Toy Lovers - The Enginediy V8 Engine Model Kit will invigorate little teenagers and adolescents to develop their inventive brain, think truly, and even refine their motor aptitudes simultaneously. Teenagers can make the world with this norm by building their own engine kit. It makes science, mechanical masterminding, and even movement empowerment from start to finish. - Battery-powered Design - Students can learn scientific and industrial principles while enhancing critical thinking and imagination. Sparks mental agility and fosters creative and innovative problem-solving. Requires 6 AAA batteries (not included). - Nice Gift for Mechanical Toy Enthusiast - This technology Engine building blocks with colorful gift packaging is a nice gift for students for their birthday/Christmas/New Year. All of my company's products have been strictly checked before shipping. If you have any problems with your purchase, please feel free to contact us! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D81KL3MZ | | Additional Features | Battery Operated, Easy Storage, Non Toxic | | Best Sellers Rank | #408,688 in Toys & Games ( See Top 100 in Toys & Games ) #3,649 in Educational Science Kits | | Brand Name | Mould King | | Color | Black, With Additional Colors of Red and Silver | | Customer Reviews | 3.9 3.9 out of 5 stars (97) | | Educational Objective | Engineering Skills, Creative Thinking, Problem Solving Scientific Thinking | | Item Dimensions | 12.83 x 9.21 x 5.08 inches | | Manufacturer | Mould King | | Manufacturer Part Number | WX10087-JYDXHH | | Manufacturer recommended age | 14 years and up | | Material Type | Plastic | | Model Name | 10087 L4 Engine Building Kit | | Model Number | WX10087-JYDXHH | | Model Year | 2024 | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Number of Pieces | 1787 | | Operation Mode | automatic | | Set Name | 10087 L4 Engine Building Kit | | Size | 10087 | | Target Audience | Teens 14+ Years | | Theme | Vehicle | | Toy Building Block Type | Interlocking Toy Building Block | ## Images ![10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs) - Image 1](https://m.media-amazon.com/images/I/81a7UG-C7mL.jpg) ## Frequently Bought Together - Mould King 10087 L4 Engine Building Kit - Build Your Own L4 Engine Toy, 4-Cylinder Combustion Petrol Car Engine Replica STEM Mechanic Engineering Model Construction for Teens 14+ Years (1787 Pcs) - 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) --- ## 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.fi/products/645897792-10087-l4-engine-building-kit-build-your-own-l4-engine](https://www.desertcart.fi/products/645897792-10087-l4-engine-building-kit-build-your-own-l4-engine) --- *Product available on Desertcart Finland* *Store origin: FI* *Last updated: 2026-09-20*