Teching Four Cylinder Stirling Engine Full Aluminum Alloy Model CollectionDescription Brand Name TechingItem Name Four Cylinder Engine ModelModel DM13 L4 T Size 182 150 120mmWeight About 4kgMaterial Stainless steel Aluminum alloy Color process Anodized Parts 357pcs Assembly time about 4 hours according to Manual Assembly difficulty 4 Star Battery life time 30 mins with full capacity Charging Voltage DC 10V 20V Charging Time 40 mins Lipo Capacity 700mah Suitable for above 10 years old age Type Assemble toys Subject teaching aids Decorative Arts Features This engine is according to the Ferrari Car engine The products sent as Kits Customers need to assemble it by yourself to learn the skill This engine is building scale model kits can not work with gasoline Material Stainless steel Aluminum alloy Color process Anodized Size 120 150 182mm Suitable for above 10 years old age Type Assemble toys Subject teaching aids Decorative Arts This engine powered by lipo battery Not by Gasoline For Manual please click here For More Teching Engine Model https www banggood com search teching 133 0 0 0 0 44 0 price 0 0 p 1 htmlNote This engine is building scale model kits can not work with gasoline The Engine can run slowly with the small battery after assembled That s better for learning the basic technology of Machine Packaga Included 1 Four Cylinder Engine Model1 charger1 English Manual1 Metal Box