Seibu 6000 Series, Fukutoshin Line Compatible, 10-Car Set, All Cars with Interior Lights - Model Name: Seibu 6000 Series, Fukutoshin Line Compatible - Model Number: 4291 Basic 3-Car Set (with motor) 4292 Add-on Middle Car 3-Car Set (without motor) 4293 Add-on Middle Car 4-Car Set (without motor) - Accessories: Instruction manual, stickers - Other: All cars equipped with interior lights Thank you for looking.