Children's Mini Metal Friction Powered Cars Push and Go Vehicles Pull Back Car Feature: Inertia Just pull back or go. Friction powered(no battery needed), easy for children to play with. 100% ensure safe for kids. Non-tox-ic and environmental friendly material, tested to be safe. Learning in Playing. Colorful & muti-style effectively help children get more imagination and cognitive training. Smooth Angle Design. Smooth rounded edges do not harm the children's little hands.Just enjoy the fun of playing. Best gift. Luxury Package is suitable for Gift of Party Favor ,Christmas, etc. One in each hand, kids can enjoy the great fun of playing toy cars. STRONGE-R and 70% Safe Quality Alloy Material and 30% ABS Material: Made of top quality with non-tox-ic and environmental protection alloy material, Com-ply with American ASTM/F963-11 standard and European EN71 toy safety standard a normal collision or fall will not cause the toy car to rupture and harm the child. Inertia Pull Back and Go: Friction powered(no battery needed). Just pull it back or Push forward then the vehicle will automatically go. Easy for children to play with. These Inertia pull back cars would be great as a gift for children aged 3,4,5,6 years old. Learning in Playing: Kids love this easy way, can effectively help children with cognitive training. You also can enjoy a wonderful parent-child time. A perfect idea for gifts, birthday presents, christmas gifts, etc. Package Include 8 x toy cars