The Trainz SKU for this item is P12163122

The Mercury name is also printed above the rear wheel arch within the silver coachlines along the body

Trainz Product Id: 11438013

Model Number: 4697

Trainz Product Id: 11572978

UGears 12116 STEM Lab Pendulum 3D Wooden Model Kit ProductID_12194708 The Trainz SKU for thisThis is a UGears 12116 STEM Lab Pendulum 3D Wooden Model Kit. The Pendulum set consists of the following elements: Escapement Wheel, Needle Indicator, Pendulum with an Anchor, and Pendulum Bob. In the heart of this set is a rubber band that both powers the mechanism and compensates for the kinetic energy loss. The force of gravity together with the tension force of the rubber band affects the amplitude oscillation which illustrates the working