Here is a MTH 70-75040 Railking G Scale CSX 4 Bay Hopper #349871 (Metal Wheels)

This is an Atlas 50001324 40' PS-1 Boxcar RI 28204

diecast metal operating box coupler

Model Number: 43422

Model Number: 88774

Peco ST-100 OO Starter Track Set ProductID_11629586 Here is a MTH 70-75040This is a Peco ST 100 OO Starter Track Set. Contents: 7 x No. 2 Rad Double Curve. ST 226, 2 x No. 2 Rad. Standard Curve ST 225, 5 x Double Straight. ST 201, 3 x Standard Straight. ST 200, 1 x Right Hand Turnout. ST 240, 1 x Left Hand Turnout. ST 241, 1 x Short Straight. ST 202, 2 x Buffer Stop, Sleeper Built. ST 270, 2 x Decoupling Unit. ST 271, 1 Pair Power Connecting Clips. ST 273, 2 x Buffer Stops. ST 270, and 1 Planbook. STP 00. Condition: Factory