Lionel 2028300 O Gauge Christmas Light Express Boxcar Wiring Connector but here they are from

but here they are from Tangent Scale Models

this is the one you need

The radio is also fully compatible with the Smart telemetry potential of the vehicle's Spektrum Firma 130A Smart ESC

The RTR model depicts accurately a Gunderson built boxcar

hood and trunk section allowing to substantially to mount the body lower on the chassis

Lionel 2028300 O Gauge Christmas Light Express Boxcar Wiring Connector but here they are fromLionel 2028300 O Gauge Christmas Light Express Boxcar Add on to your Christmas Light Express LionChief Set with our Christmas Light Express add on boxcar! FEATURES: Die cast metal trucks with operating couplers Multicolored LEDs flicker in a random sequence On Off switch for lights SPECIFICATIONS: Gauge: O Gauge Power: Electric Min Curve: O27 Dimensions: Length: 10 1 2"