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  2. 1977
  3. Service Packs

LEGO 1977 / Service Packs Sets

In 1977, LEGO released 2 Service Packs sets, all of these sets have been retired. For that year, the total price of all retail sets cost $5, today those sets are valued around $12, a growth of 146%.
Most valuable 1977 LEGO Service Packs set
1121 Propellors, Wheels and Rotor Unit $6.29
Most owned 1977 Service Packs set
1124 Digger Bucket Assembly
2 sets

1121 Propellors, Wheels and Rotor Unit

Theme Service Packs
Year 1977
Pieces 15
Availability Retired
1121 LEGO Propellors, Wheels and Rotor Unit
Retail $1.99
Value $6.29
Growth  +216.1%
Annual growth 9.0%

1124 Digger Bucket Assembly

Theme Service Packs
Year 1977
Pieces 3
Availability Retired
1124 LEGO Digger Bucket Assembly
Retail $2.99
Value $5.97
Growth  +99.7%
Annual growth 1.4%

Year Pricing

Retail
$4.98   (for all 2 sets)
New/Sealed
Value
$12.26
Growth
+146.18%
Annual growth
+2.56%
Used
Value
$8.32

Community Stats

The following are the top 2 most owned 1977 Service Packs sets by LEGO collectors.
#1Digger Bucket Assembly
#2Propellors, Wheels and Rotor Unit

About LEGO Service Packs

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
1977 introduced the Expert Builder series—precursor to Technic—using beams, axles, and gears for mechanically rich models. Town-style sets broadened everyday subjects with houses, shops, and vehicles. Dedicated Space and Castle themes were still a year away, but elements and styling hinted at their imminent arrival.