Teching Double Cylinder Full Aluminum Alloy Engine Model Collection

Description Brand Name TechingItem Name Double Cylinder Engine ModelSize 213215135mmMaterial Aluminium AlloyAge Kids over 10 years oldVoltage Dc5VCharging time 2 hoursWorking time More than 30minsQuantity of pieces 217pcsNote Because of the different batch the color of Propeller may be different For Manual please click here For More Teching Engine https www banggood com search teching 133 0 0 0 0 44 0 price 0 0 p 1 html sbc 1Features Eco friendly aluminum alloy stainless steel material anodizing coloring process durable and non toxicDIY assembled cultivate kids creativity and imaginationLet the children have an interest in learning thus creating the ability of childrens thinking mathematical combination logicEasy and funny to playKids can learn the great power of power energy and the beauty of natureIdeal toy and gift for all children above 10 years oldPowered by 2 lithium ion battery included 500mAh 3 7V Charging 40 minutes using no less than 30 minutes under full chargeExternal power supply DC 10V 20VAssembly time about 3 hoursPackaga Included 1Double Cylinder Engine Model