Unit comes with 8 sockets on the back

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Solid brass construction (except for trucks) resists most solvents

Lionel 6-12884 O/O27 Truck Loading Dock Building Kit ProductID_12157698 Unit comes with 8 socketsThis is a Lionel 6 12884 O And O27 Gauge Truck Loading Dock Building Kit. It requires assembly. It is constructed of plastic and measures 11. 5 x 7. 5 x 5. 5 inches when fully assembled. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 12884 Years Manufactured: 1995 1995 Road Name: **** No Road Name MSRP: $29. 99 Scale Era: O Modern Model Type: Buildings Assembled The Trainz SKU