Optical sensors in cylinders for sound synchronization

This is a AHL 3050 1:64 Hershey's Sweet Chocolate Truck

Trainz Product Id: 11633139

Trainz Product Id: 12501364

American Flyer 6-48646 S Scale Union Pacific Building America Cylindrical Hopper ProductID_12147197 Optical sensors in cylinders forThis is an American Flyer 6 48646 S Scale Union Pacific Building America Cylindrical Hopper. Created from all new tooling, these Cylindrical Hoppers are sure to turn the heads of all those that have been waiting for American Flyer scale rolling stock. Its key features are: Scale wheels and trucks Operating couplers Diecast metal sprung trucks and operating couplers Opening hatches on roof Mounting holes for scale couplers (sold separately) Separately