DM116 Mini Metal Engine Model Kit That Works, 1:6 Five-Cylinder Radial Engine Aircraft Engine Electric Model DIY Assembly Kit, Science Education Educational for Youth & Teens (250+ PCS)

250+pcs/set 1:6 Five-Cylinder Radial Engine Aircraft Engine Simulation Electric Model Metal Machinery DIY Assembly Kit Science Education Educational Gift OrnamentsSpecifications: .product name: five-cylinder radial engine .product model: DM116; material: aluminum alloy + stainless steel .scale: 1/6 .Number of parts: 250+pcs .Lithium battery: 3.7V 450mAh .Charging voltage: DC 5V (USB cable) .Charging time: 2 hours .Function: Automatic power off when encountering external resistance .Assembly difficulty: 4 stars .Assembly time: about 4 hours .For age: 12 years old and above .Material: aluminum alloy + stainless steel .Product Dimensions: 19.9 x 19.9 x11.4cm .Product Weight: 1900g .Package Dimensions: 34 x 24 x 14.5cm .Package Weight: 2500g .Packing: high-end metal gift boxPackage Including.Engine*1 set.installation tool*1 set.instruction manual*1

• Premium Metal Radial Engine Model: High-detail 1:6 five-cylinder radial engine model with aluminum alloy parts; a realistic aircraft engine simulation for display or learning
• 250+ PCS DIY Assembly Kit: Includes 250+ precision components and an English manual; enjoy building your own aircraft engine from scratch with tools included
• Motor-Driven Running Display: Features an electric motor for a runable simulation; watch the full mechanical motion like a real radial aircraft engine
• Fun & Educational STEM Project: Great STEM activity for adults and teens; boosts hands-on skills, creativity, engineering thinking, and parent-youth interaction
• Perfect Gift in Metal Box: Packaged in a premium metal gift box—an impressive science/engineering gift for hobbyists, collectors, makers, and model lovers