Mini Metal Four-Stroke Internal Combustion Engine Model for Educational Experimental Science Demonstration

Features:

.Tribute to the Classic: Pay tribute to the first four-stroke internal combustion engine. This lightweight and exquisite engine model adopts a single-cylinder, four-stroke, 2-valve, dual camshaft pushrod structure, making it a captivating mini handheld craftwork.
.Fine Craftsmanship: Made entirely of metal, with an aluminum alloy base and high-quality metal parts, the model has a strong mechanical feel and a deep impression. You can get knowledge about the fascinating world of physical-mechanical engineering while playing with it.
.Realistic Operation: It is not just a decorative model, but also a simulation dynamic model that can simulate the operation of a real engine. Rotating the flywheel manually moves the piston and the intake valve timing corresponds to the exhaust valve timing. The visualized working process makes the working principle clear at a glance.
.Science Education & Puzzle: Faithfully reproduces the working principle of the OHV engine for teaching demonstrations. Also a great stress-relieving handheld toy for mechanical enthusiasts and a wonderful physics & mechanical puzzle toy for children.
.This model is pre-assembled. Rotate the four feet at the bottom to open the base and insert 2 * AAA battery. Do not handle it violently to avoid damage. Please store it properly and pay attention to cleaning and maintenance for prolonged use.

Specifications:

.Material: Aluminum Alloy + Copper Alloy + Stainless Steel
.Power Supply: 2 * AAA 1.5V Battery
.Surface Treatment: Sandblasting Oxidation + Polishing
.Product Weight: 210g
.Package Weight: 280g
.Product Dimensions: 6.5 x 6.5 x 10.5cm
.Package Dimensions: 7.5 x 7.5 x 11cm
.Packing: Box

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