What should I do if some building pieces are missing from my set?

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.

Are the building pieces compatible with other major toy brick brands?

Our bricks are designed to universally align with standard-sized building systems for endless creativity.

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Description

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

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.

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.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

VT29821

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TrustScore 4.5 | 7,300+ reviews

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

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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

Mould KingMould 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)

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