TECHING Alloy Mini Manual Assembly V2 Double-cylinder Engine Model Kits DIY Toy Collection Decoration Science Discovery Toys

Description: Specification:Brand:TECHINGProduct Name:V2 Double-cylinder Engine Model KitsMaterial:MetalTheme:ScienceCompleteness:Semi-finished ProductProduct Weight:1.5350 kgPackage Weight:3.3700 kgProduct Size:19.00 x 14.40 x 21.00 cm / 7.48 x 5.67 x 8.27 inchesPackage Size:33.50 x 23.60 x 14.50 cm / 13.19 x 9.29 x 5.71 inches Features: • Eco-friendly aluminum alloy, stainless steel material, anodizing coloring process,enduring and non-toxic• DIY assembled, cultivate kids’ creativity and imagination• Let the children have an interest in learning, thus creating the ability of children’s thinking, mathematical combination logics• Easy and funny to play• Kids can learn the great power of power energy and the beauty of nature• Ideal toy and gift for all children above 10 years old• Powered by 2 lithium-ion battery ( included ), 500mAh, 3.7V, Charging 40 minutes, using no less than 30 minutes under full charge• External power supply: DC 10V-20V• Assembly time: about 3 hoursPackage included:1X Set of Assembled Accessories1X Box 1X Tote Bag 1X Chinese Graphic Manual 2X Batteries