Mould King 2177 PCS Rotary Engine Building Block Sets, Working Mechanical Model Kits with Motor & Battery Box, DIY STEM Toys for Adults Teens, Car Enthusiasts

【Dynamic & Functional Replica】Watch the magic of engineering come to life! This intricately detailed rotary engine model isn't just for display. Powered by the motor and battery box (batteries not included), it realistically simulates the smooth, rotating motion of a real Wankel engine, providing a captivating demonstration of internal mechanics. 【Premium Quality & Safe Construction】Crafted from high-grade, odourless ABS materials, every building blocks is rigorously tested to meet stringent safety standards. The pieces feature a smooth finish with no sharp burrs, ensuring a comfortable and safe building experience for hours on end. 【An Engaging STEM Learning Project】More than just a toy, this 2177-piece kit is a hands-on educational journey into mechanical science. It enhances problem-solving skills, fosters a deeper understanding of engineering principles, and promotes the core values of STEM learning - making it perfect for teens and adults with a passion for technology. 【Challenging & Rewarding Build for Adults】With over 2170 precision pieces, this model offers a satisfying and immersive building challenge. The parts are clearly sorted and packaged for easy identification. Follow the step-by-step instructions to methodically assemble your own working engine model, resulting in a great sense of accomplishment. 【The Perfect Gift for Motoring Enthusiasts】Whether for a birthday, holiday, or personal treat, this kit makes an exceptional gift. It's designed to delight any car lover, aspiring engineer, or hobbyist seeking a sophisticated and rewarding project. Display your finished masterpiece with pride as a stunning conversation piece., Manufacturer: Mould King