They have bases and stems and vegetation to put these together to make your own plants

Here is a MTH 20-4088 Chicago NorthWestern 5-Car 70' Madison Passenger Set

This is a Faller 5737 Elevated Signal Tower Building Kit

Trainz Product Id: 11565378

Medium radius right hand point with insulated frog

Athearn 2140 HO Scale Union Pacific Coach Car # 5512 Kit DwDetails-0.68-0.44-8.15-6.15-4.15-2 They have bases and stemsThis is an Athearn 2140 HO Union Pacific Coach Car Kit # 5512. This kit features plastic construction. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Athearn Model Number: 2140 Road Name: Union Pacific (UP) MSRP: $54. 99 Scale Era: HO Scale Model Type: Passenger Cars The Trainz SKU for this item is P11570207. Trainz Product Id: 11570207