Genre (Diecast Cars)... Cars Type of Goods... Other Material... Metal, Plastic Scale... Non-scale My child used to play with these, but they don't play with them anymore, so I'm selling them. Set Contents: Regular Cars: 7 types Work Vehicles: 7 types Wind-up Cars: 3 types Sports Cars: 4 types Choro-Q Cars: 4 types (wind-up) Size: Width 2 cm to 8 cm, Height 3 cm to 7 cm, Length 4 cm to 9 cm Wind-up cars are cars that run when you pull them back and let go. They are a bit old, but if you like them, please consider purchasing them.