Expand your train layout décor with the Lionel Private Investigation Plug-Expand-Play Building. It is compatible with Lionel O Gauge, includes a realistic design and features LED interior lighting. Usable on any AC or DC powered layout, the Plug-Expand-Play System streamlines what is needed to connect your operating accessories. Simply plug the accessory into your powered track and you are ready to play. This Plug-Expand-Play building is compatible with Lionel O Gauge, includes a realistic design, and features LED lighted interior.