1974

In 1974 there were 38 LEGO sets produced overall.

Based on the 38 sets released for that year, the retail value was $101.48 with a current value of $11,567.78 for the combined new/factory sealed sets. As of present, the best performing theme for 1974 is currently Trains which has seen an average annual growth of upwards of 8% to date. With the 13 sets that year, the LEGOLAND theme had the most released sets.

In 1974, LEGO released several new sets and themes, including the LEGO Universal Building Set, which included a range of new bricks in different shapes and colors. 1974 was also the year that LEGO introduced the LEGO Technic theme, which focused on building complex, mechanically-themed models such as cars, airplanes, and construction equipment. The Technic theme introduced new elements such as gears, levers, and motors, which allowed for more realistic, functional models. Other notable sets and themes released by LEGO in 1974 included the LEGO Space theme, which expanded upon the Space sets released in previous years, and the LEGO Trains theme, which introduced the first LEGO electric trains.