Lego 4.5V Train Set: The Classic Railway Investment
Lego forever changed construction toys in 1966 by introducing electricity to their brick system. This groundbreaking train set featured the revolutionary 4.5-volt motor that brought locomotives to life. Collectors can identify original sets by their unique gray brick coloration and early-style Lego logos stamped on each piece. Serious Lego enthusiasts battle to add these pioneering sets to their collections.
