RETROL DIY Metal Assembly Vertical Steam Engine Model with Spherical Boiler, STEM Educational, Home Decor & Gift Collection for Adults

• 🛠️ DIY Assembly Challenge: Dive into an engaging hands-on project with nearly 40 precision parts! This kit includes clear graphical instructions, guiding you through a rewarding assembly process to build a fully functional steam engine while exploring internal mechanics and principles
• ✨ Transparent Vertical Design: Featuring a retro vertical structure and clear cylinder, this model offers an unobstructed view of piston movement and valve mechanisms. The large flywheel ensures quick starts and smooth operation, complemented by a simulated jet sound for an immersive experience
• 🛡️ Safety-First Construction: Designed with a spherical boiler for even pressure distribution, a mini safety valve, splash-proof exhaust tube, and a brass alcohol lamp with fire-extinguishing lid. Ideal for safe, educational experimentation under adult supervision (ages 15+)
• ⚙️ Premium Metal Craftsmanship: Constructed entirely from durable metal for rapid heat-up and robust performance. The retro aesthetic evokes steam-age nostalgia, delivering a high-end mechanical model with DIY modification space (e.g., LED light installation) and output power for added creativity
• 🎁 Educational STEM Gift: Perfect for physics demonstrations, STEM learning, or as a captivating desktop decoration. Inspires curiosity about thermodynamics and mechanics, making it an unforgettable gift for holidays, birthdays, or tech enthusiasts aged 15 and up

Product description Specifications Material: Metal Product Dimensions: 20 x 9 x 14cm Product Weight: 700g Package Dimensions: 25 x 15 x 6.5cm Package Weight: 900g Packing: Box For Ages: 15+ Package Content 1 x Model Kit 1 x Manual Directions Assembly instructions provided