Retractable opening roofs

Here is a Williams 47461 O Gauge Dogfish Head IPA 40' Refrigerated Boxcar #1045

Model Number: 87857

Here is an Atlas 20000764 BCR 53' Evans Plug Door Boxcar #800472

Broadway Limited 3795 N Pennsylvania EMD F3B Diesel Locomotive Sound/DCC #9504B ProductID_12413704 Retractable opening roofsThis is a Broadway Limited 3795 N Scale Pennsylvania EMD F3B DGLE Single Stripe Diesel Locomotive Paragon3 Sound DC DCC #9504B. Industry Leading Features: NEW Paragon3 Sound & Operation System FEATURING ROLLING THUNDERTM with Authentic Sounds and Prototypical Operation in both DC and DCC environments. Integral DCC Decoder with Back EMF for Industry Best Slow Speed Operation in DC and DCC. Precision Drive Mechanism engineered for continuous heavy load