In 1977 LEGO released 2 Service Packs sets. The largest Service Packs set from 1977 was
1121 Propellors, Wheels and Rotor Unit with a piece count of 15 and a retail price of $1.99. The current estimated value of all these Service Packs sets from this year is about $17.05 which represents a 342.4% growth.
The LEGO Service Packs theme refers to supplementary sets that were released primarily from the late 1970s to the late 1990s. These packs provided additional parts, accessories, or specific components to complement existing LEGO sets. Rather than complete standalone models, Service Packs were intended to enhance or expand upon primary LEGO sets, allowing users to replace missing pieces, add more features to their builds, or customize their creations further.
1977 LEGO Sets
In 1977, LEGO released several new sets and themes, including the LEGO City theme, which introduced models of city life such as houses, stores, and vehicles. 1977 was also the year that LEGO introduced the LEGO System, which was a standardized system of bricks and connectors that allowed for more flexible and versatile building. The LEGO System included a wide range of bricks in different colors and sizes, as well as new elements such as windows, doors, and roofs. Other notable sets and themes released by LEGO in 1977 included the LEGO Space theme, which introduced new models of spaceships and alien minifigures, and the LEGO Castle theme, which expanded upon the castle sets released in previous years.