Motorcycle Boxer Engine Model Kit that Runs, 2-Cylinder Horizontally Opposed Motor Building Set for Adults, Compatible with Lego, STEM Physical Science Experiment Toy for Teens Boys (1172 PCS)

Product details

Product description 【Authentic Boxer Engine Replica】 Unlike conventional inline or V-type engines, this 1172 pcs motorcycle engine model replicates the horizontally-opposed cylinder layout for superior balance and reduced vibration. Watch the synchronous gear set, timing chain and pistons running in perfect harmony - vividly presenting the real working process of an internal combustion engine 【STEM Engine Model Toy】Turn complex engineering into an exciting challenge! This building set enhances spatial reasoning, concentration, and problem-solving skills for ages 14+. Ideal for classroom projects, tech clubs, or family activities, it demystifies how pistons, crankshafts, and valve systems work together—making mechanical education genuinely fun and interactive 【Simulated Engine Working Principle】 No batteries needed—simply connect the included USB rechargeable motor to bring your engine to life with continuous, rhythmic motion. The innovative quick-open casing lets you instantly reveal the intricate internal structure at any time, offering an unobstructed real-time view of every moving part for endless observation and discovery 【Premium & Durable Building Blocks】 Crafted from durable, high-grade ABS plastic, this kit ensures a sturdy and long-lasting finished model (9.13 x 9.21 x 6.18). Every piece fits precisely for a rewarding assembly experience. OYICAI stands behind our quality—contact us promptly if any parts are missing, and we'll resolve it to your full satisfaction 【Perfect Gift for Motorcycle Fans】 Whether for birthdays, holidays, or special occasions, this model is a must-have for car and motorcycle enthusiasts. A striking conversation starter for desks, workshops, or offices, it proudly showcases a passion for mechanical craftsmanship. Surprise the hobbyist or future engineer in your life with this unique and impressive set