then the activation code 10818 is sufficient for the aforementioned upgrading

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This is a USA Trains 31016 G California Zephyr Corrugated Aluminum Vista Dome Lighted #1

Here is a MTH 30-78081 O Gauge Acme Pale Ale Reefer Car

Model Power 1565 N Scale Lumber Yard Building Kit ProductID_11438410 then the activation code 10818Lumber Yard Kit. Model Power Designed this Valley Lumber Yard for your N Scale Model Railroad Layouts and Dioramas. A Plastic Construction Kit for Ages 8 and Older. Features: Plastic pieces molded in 6 different colors, Easy to build, Realistic detail, Two level sawmill, Ground level is opened, Stackable skids of lumber, Cut outs provided to decorate building, Pictorial assembly instructions given for assistance. Includes: One N Scale Valley Lumber