🔧 Build, Bond, and Brag! Learn the mechanics of a 4-cylinder diesel engine hands-on. Crafted with high-grade materials, backed by a reputable brand since 2018. Transform your workspace with a unique, conversation-starting piece. Follow detailed instructions for a seamless assembly experience. Share 3-5 hours of joy assembling together! 3-5 Hours Assembly 450+ Components 5V/450mah Power The DjuiinoStar Mini 4-Cylinder Diesel Engine Model is a meticulously crafted assembly kit featuring over 450 components made from high-grade aluminum and stainless steel. Designed for educational purposes, it allows users to explore the inner workings of a diesel engine while providing a fun and engaging family activity. With an assembly time of 3-5 hours and a user-friendly manual, this model is perfect for both kids and adults, making it an ideal gift for enthusiasts and learners alike.