The lead cars didn't work even after replacing the batteries. They were stored in a closet after my child played with them 5 years ago. They are Plarail train cars. I hope you can enjoy them by pushing them by hand. - Type: Plarail train cars - Color: Multicolor - Model: Shinkansen, commuter trains, limited express trains, etc. - Quantity: Approximately 50 cars - Features: Cars that can be connected - Condition: Good (with signs of use) Thank you for looking.