Unofficial LEGO Sets/Parts Collectors Guide - Among many LEGO Train collectors, the golden age was 1980-1990... the 12V electric train years. And probably the most popular was the 7740 Intercity Train (not
LEGO City Freight Train 60336 Building Toy Set with Powered Up Technol – StockCalifornia
LEGO Black 4.5 Volt Train Motor 12 x 4 x 3 1/3 with Three Holes on Each Side | Brick Owl - LEGO Marketplace
Alternative LEGO RC Train Engine - Power Functions – Green Gecko Workshop
LEGO Train Track 4.5V Switch Point Right with DkGray Ties | Brick Owl - LEGO Marketplace
LEGO 181 TRAIN SET 4.5V TRAINS CARRIAGES 1970s LEGO GROUP - Boonsart shop
LEGO Electric Motor 4.5V/12V Type I Upper Housing Comes In | Brick Owl - LEGO Marketplace
LEGO Supplemental / 4.5V | Brickset
Electric, Motor 4.5V Type A 12 x 4 x 4 (Train) with Engraved '4,5 VOLT' Pattern : Part bb0007c01pb01 | BrickLink
LEGO 181 TRAIN SET 4.5V TRAINS CARRIAGES 1970s LEGO GROUP - Boonsart shop