In 1975, LEGO released 41 sets across 4 themes, all of these sets have been retired. January saw the release of the most sets, with a total of 2.
Most valuable 1975 LEGO set
390-2 1913 Cadillac $1,317.94
Highest growth 1975 set
480 Rescue Helicopter +23912.00%
Largest 1975 LEGO set
521-8 Bricks and Half Bricks All Colors 640 pieces
Theme / Subtheme Duplo / PreSchool
Year 1975
Pieces 16
Availability Retired
75 LEGO Duplo PreSchool Set
Value $229.05
Theme / Subtheme Duplo / PreSchool
Year 1975
Pieces 20
Availability Retired
77 LEGO Duplo PreSchool Set
Value $370.99
Theme / Subtheme Duplo / PreSchool
Year 1975
Pieces 32
Availability Retired
78 LEGO Duplo PreSchool Set
Value $395.30
Theme / Subtheme Samsonite / Basic Set
Year 1975
Pieces 330
Availability Retired
78-3 LEGO Samsonite Basic Set
Retail $4.99
Value $300.97
Growth  5931.5%
Annual growth 8.7%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 87
Availability Retired
133 LEGO Trains Locomotive
Retail $2.89
Value $577.82
Growth  19893.8%
Annual growth 11.4%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 86
Availability Retired
134 LEGO Trains Mobile Crane and Wagon
Retail $2.49
Value $558.36
Growth  22324.1%
Annual growth 11.6%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 83
Availability Retired
136 LEGO Trains Tanker Wagon
Retail $1.89
Value $176.37
Growth  9231.7%
Annual growth 9.7%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 82
Availability Retired
137-2 LEGO Trains Passenger Sleeping Car
Retail $1.89
Value $397.33
Growth  20922.8%
Annual growth 11.5%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces / Minifigs 293 / 5
Availability Retired
148 LEGO Trains Central Station
Retail $19.99
Value $763.84
Growth  3721.1%
Annual growth 7.7%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 369
Availability Retired
182 LEGO Train Set with Motor
Retail $19.99
Value $1,295.70
Growth  6381.7%
Annual growth 8.9%
Year 1975
Pieces 526
Availability Retired
190 LEGO Farm Set
Retail $7.49
Value $385.86
Growth  5051.7%
Annual growth 8.4%
Year 1975
Pieces 89
Availability Retired
195 LEGO Airplane
Retail $5.49
Value $100.69
Growth  1734.1%
Annual growth 5.3%
Year 1975
Pieces 1
Availability Retired
253-2 LEGO Helicopter and Pilot
Retail $1.49
Value $72.46
Growth  4763.1%
Annual growth 5.1%
Year 1975
Pieces 103
Availability Retired
254 LEGO Family
Retail $1.99
Value $84.98
Growth  4170.4%
Annual growth 8.0%
Year 1975
Pieces 120
Availability Retired
255-2 LEGO Farming Scene
Retail $2.29
Value $96.43
Growth  4110.9%
Annual growth 8.4%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 215 / 2
Availability Retired
362 LEGOLAND Windmill
Retail $14.99
Value $619.57
Growth  4033.2%
Annual growth 7.9%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 36 / 7
Availability Retired
363 LEGOLAND Hospital
Retail $9.99
Value $925.86
Growth  9167.9%
Annual growth 9.7%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 518 / 7
Availability Retired
364 LEGOLAND Harbor
Retail $9.99
Value $1,090.96
Growth  10820.5%
Annual growth 7.6%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 602 / 8
Availability Retired
365 LEGOLAND Wild West
Retail $9.99
Value $1,176.68
Growth  11678.6%
Annual growth 10.2%
Theme LEGOLAND
Year 1975
Pieces 364
Availability Retired
367 LEGOLAND Space Module with Astronauts
Retail $12.99
Value $422.84
Growth  3155.1%
Annual growth 7.3%
Theme Hobby Set
Year 1975
Pieces 200
Availability Retired
390-2 LEGO Hobby Set 1913 Cadillac
Retail $12.49
Value $1,317.94
Growth  10452.0%
Annual growth 10.0%
Theme Hobby Set
Year 1975
Pieces 237
Availability Retired
391 LEGO Hobby Set 1926 Renault
Retail $12.49
Value $1,001.23
Growth  7916.3%
Annual growth 7.5%
Theme Hobby Set
Year 1975
Pieces 197
Availability Retired
392 LEGO Hobby Set Formula 1
Retail $12.49
Value $788.11
Growth  6209.9%
Annual growth 8.8%
Theme LEGOLAND
Year 1975
Pieces 18
Availability Retired
430 LEGOLAND Biplane
Retail $2.49
Value $95.21
Growth  3723.7%
Annual growth 5.9%
Theme LEGOLAND
Year 1975
Pieces 62
Availability Retired
480 LEGOLAND Rescue Helicopter
Retail $1.00
Value $240.12
Growth  23912.0%
Annual growth 11.5%
Theme LEGOLAND
Year 1975
Pieces 46
Availability Retired
490 LEGOLAND Mobile Crane
Retail $1.00
Value $120.33
Growth  11933.0%
Annual growth 6.2%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 20
Availability Retired
516 LEGO Duplo Bricks and Half Bricks
Retail $1.25
Value $8.50
Growth  580.0%
Annual growth 4.0%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 121
Availability Retired
517 LEGO Duplo Bricks and Half Bricks And Arches
Retail $1.49
Value $48.13
Growth  3130.2%
Annual growth 5.9%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 17
Availability Retired
518-8 LEGO Duplo Bricks and Half Bricks And Trolley
Retail $1.49
Value $10.14
Growth  580.5%
Annual growth 4.0%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 240
Availability Retired
519-8 LEGO Duplo Bricks and Half Bricks And Arches and Trolley
Retail $2.25
Value $15.31
Growth  580.4%
Annual growth 4.0%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 168
Availability Retired
520-9 LEGO Duplo Bricks and Half Bricks And Two Tolleys
Retail $2.89
Value $19.66
Growth  580.3%
Annual growth 4.0%
Theme / Subtheme Duplo / Building Sets
Year 1975
Pieces 640
Availability Retired
521-8 LEGO Duplo Bricks and Half Bricks All Colors
Retail $3.99
Value $27.15
Growth  580.5%
Annual growth 4.0%
Theme LEGOLAND
Year 1975
Pieces 216
Availability Retired
580 LEGOLAND Brick Yard
Retail $13.99
Value $850.00
Growth  5975.8%
Annual growth 7.3%
Theme / Subtheme LEGOLAND / Vehicle
Year 1975
Pieces / Minifigs 21 / 1
Availability Retired
615-2 LEGOLAND Forklift
Retail $1.49
Value $60.63
Growth  3969.1%
Annual growth 5.8%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 49 / 2
Availability Retired
659 LEGOLAND Police Patrol
Retail $2.50
Value $125.44
Growth  4917.6%
Annual growth 6.9%
Theme LEGOLAND
Year 1975
Pieces 39
Availability Retired
660 LEGOLAND Air Transporter
Value $105.80
Theme LEGOLAND
Year 1975
Pieces / Minifigs 57 / 2
Availability Retired
692 LEGOLAND Road Repair Crew
Retail $1.25
Value $102.34
Growth  8087.2%
Annual growth 4.4%
Theme LEGOLAND
Year 1975
Pieces / Minifigs 72 / 3
Availability Retired
693 LEGOLAND Fire Engine
Retail $1.25
Value $180.93
Growth  14374.4%
Annual growth 9.6%
Theme / Subtheme LEGOLAND / Vehicle
Year 1975
Pieces 65
Availability Retired
694 LEGOLAND Transport Truck
Retail $5.49
Value $490.37
Growth  8832.1%
Annual growth 9.6%
Theme LEGOLAND
Year 1975
Pieces 110
Availability Retired
760-2 LEGOLAND London Bus
Retail $3.00
Value $550.34
Growth  18244.7%
Annual growth 5.1%
Year 1975
Pieces 93
Availability Retired
814-2 LEGO Tractor
Retail $2.98
Value $92.87
Growth  3016.4%
Annual growth 7.3%