Bachmann"s HO Scale Mini Water Pump Electric Railroad Accessory. FEATURES: Terminal connector wire to track connection. Water pump has a green plastic outer shell. A red light piece is connected. Slots on each side allow you to nail pump to your layout. INCLUDES: One HO Scale Mini Water Pump Electric Railroad Accessory REQUIRES: HO Scale Electrical Train Track SPECS: Scale: HO 1:87 Pump Size- Length: 2-1/2" (6.3cm) Width: 3/4" (2.2cm) Height: 1" (2.5cm) kr10/5/00 ir/jl