In 1973, LEGO released 75 sets across 6 themes, all of these sets have been retired. January saw the release of the most sets, with a total of 2.
Most valuable 1973 LEGO set
358 Rocket Base $1,450.88
Highest growth 1973 set
460 Rescue Units +43665.77%
Largest 1973 LEGO set
8-3 Basic Set #8 776 pieces
Most owned 1973 set
384 London Bus
Year 1973
Pieces 107
Availability Retired
1-7 LEGO Basic Set
Value $459.66
Year 1973
Pieces 184
Availability Retired
2-7 LEGO Basic Set
Retail $7.99
Value $217.16
Growth  +2617.9%
Annual growth 6.7%
Year 1973
Pieces 184
Availability Retired
3-4 LEGO Basic Set
Retail $7.99
Value $214.81
Growth  +2588.5%
Annual growth 3.3%
Year 1973
Pieces 230
Availability Retired
4-3 LEGO Basic Set
Retail $8.99
Value $888.85
Growth  +9787.1%
Annual growth 9.4%
Year 1973
Pieces 349
Availability Retired
5-3 LEGO Basic Set
Retail $6.99
Value $112.77
Growth  +1513.3%
Annual growth 4.7%
Year 1973
Pieces 349
Availability Retired
6-3 LEGO Basic Set
Retail $12.99
Year 1973
Pieces 415
Availability Retired
7-3 LEGO Basic Set
Retail $15.99
Value $230.01
Growth  +1338.5%
Annual growth 5.4%
Year 1973
Pieces 776
Availability Retired
8-3 LEGO Basic Set #8
Retail $19.00
Value $518.05
Growth  +2626.6%
Annual growth 6.7%
Theme Duplo
Year 1973
Pieces 17
Availability Retired
010-2 LEGO Duplo Pre-School Set
Retail $3.00
Theme Minitalia
Year 1973
Pieces 32
Availability Retired
11-2 LEGO Minitalia Small Preschool Set
Retail $1.95
Value $269.86
Growth  +13739.0%
Annual growth 6.8%
Theme Minitalia
Year 1973
Pieces 71
Availability Retired
12-2 LEGO Minitalia Medium Preschool Set
Retail $2.75
Value $261.77
Growth  +9418.9%
Annual growth 9.4%
Theme Minitalia
Year 1973
Pieces 92
Availability Retired
13-2 LEGO Minitalia Large Preschool Set
Retail $3.75
Value $258.80
Growth  +6801.3%
Annual growth 8.7%
Theme Minitalia
Year 1973
Availability Retired
14-3 LEGO Minitalia Small House Set
Retail $2.75
Value $658.08
Growth  +23830.2%
Annual growth 11.3%
Theme Minitalia
Year 1973
Pieces 157
Availability Retired
15-2 LEGO Minitalia Large House Set
Retail $4.50
Value $430.69
Growth  +9470.9%
Annual growth 8.3%
Theme Minitalia
Year 1973
Availability Retired
16-2 LEGO Minitalia City Square
Retail $6.00
Value $480.58
Growth  +7909.7%
Annual growth 9.0%
Theme Minitalia
Year 1973
Availability Retired
17-2 LEGO Minitalia Airport
Retail $8.75
Value $449.07
Growth  +5032.2%
Annual growth 8.0%
Theme / Subtheme Duplo / Building Sets
Year 1973
Pieces 25
Availability Retired
020-2 LEGO Duplo Building Set
Theme / Subtheme Duplo / Building Sets
Year 1973
Pieces 29
Availability Retired
030-2 LEGO Duplo Building Set
Theme Minitalia
Year 1973
Pieces 26
Availability Retired
30-2 LEGO Minitalia Small Ship
Retail $2.95
Value $271.80
Growth  +9113.6%
Annual growth 9.3%
Theme Minitalia
Year 1973
Pieces 39
Availability Retired
31 LEGO Minitalia Medium Ship
Retail $3.75
Value $279.36
Growth  +7349.6%
Annual growth 8.8%
Theme Minitalia
Year 1973
Pieces 57
Availability Retired
32-2 LEGO Minitalia Large Ship
Retail $4.50
Value $394.62
Growth  +8669.3%
Annual growth 9.2%
Year 1973
Pieces 149
Availability Retired
105-2 LEGO Building Set
Value $97.06
Year 1973
Pieces 190
Availability Retired
115 LEGO Building Set
Value $232.11
Year 1973
Pieces 338
Availability Retired
135 LEGO Building Set
Retail $7.89
Value $14.98
Growth  +89.9%
Annual growth 1.3%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 47
Availability Retired
270-2 LEGO Homemaker Grandfather Clock, Chair and Table
Retail $2.99
Value $123.09
Growth  +4016.7%
Annual growth 6.3%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 49
Availability Retired
271 LEGO Homemaker Baby's Cot and Cabinet
Retail $2.99
Value $75.94
Growth  +2439.8%
Annual growth 6.6%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 32
Availability Retired
272 LEGO Homemaker Dressing Table with Mirror
Retail $2.99
Value $50.00
Growth  +1572.2%
Annual growth 3.6%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 23
Availability Retired
273 LEGO Homemaker Bureau
Retail $1.99
Value $75.83
Growth  +3710.6%
Annual growth 6.8%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 114
Availability Retired
290-2 LEGO Homemaker Dining Suite
Retail $2.99
Value $62.32
Growth  +1984.3%
Annual growth 6.1%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 90
Availability Retired
291 LEGO Homemaker Blackboard and School Desk
Retail $2.99
Value $114.70
Growth  +3736.1%
Annual growth 7.4%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 59
Availability Retired
292 LEGO Homemaker Kitchen Sink and Cupboards
Retail $2.99
Value $176.77
Growth  +5812.0%
Annual growth 8.3%
Theme / Subtheme Homemaker / Furniture
Year 1973
Pieces 131
Availability Retired
293 LEGO Homemaker Piano
Retail $2.99
Value $288.00
Growth  +9532.1%
Annual growth 9.4%
Theme / Subtheme LEGOLAND / Boats
Year 1973
Pieces 183
Availability Retired
310-3 LEGOLAND Tugboat
Retail $14.49
Value $245.73
Growth  +1595.9%
Annual growth 5.7%
Theme / Subtheme LEGOLAND / Boats
Year 1973
Pieces 83
Availability Retired
311 LEGOLAND Boats Ferry
Retail $12.49
Value $352.78
Growth  +2724.5%
Annual growth 6.8%
Theme LEGOLAND
Year 1973
Pieces 59
Availability Retired
312-3 LEGOLAND Cargo Ship
Retail $19.99
Value $452.62
Growth  +2164.2%
Annual growth 6.3%
Theme LEGOLAND
Year 1973
Pieces 150
Availability Retired
356 LEGOLAND Swiss Villa
Retail $15.99
Value $485.23
Growth  +2934.6%
Annual growth 6.9%
Theme LEGOLAND
Year 1973
Pieces 239
Availability Retired
357 LEGOLAND Fire House
Retail $8.29
Value $498.92
Growth  +5918.3%
Annual growth 8.4%
Theme LEGOLAND
Year 1973
Pieces 276
Availability Retired
358 LEGOLAND Rocket Base
Retail $19.99
Value $1,450.88
Growth  +7158.0%
Annual growth 8.7%
Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 86
Availability Retired
381 LEGOLAND Lorry and Fork Lift Truck
Retail $8.49
Value $333.49
Growth  +3828.0%
Annual growth 7.4%
Theme LEGOLAND
Year 1973
Pieces 91
Availability Retired
382 LEGOLAND Breakdown Truck and Car
Retail $8.99
Value $161.91
Growth  +1701.0%
Annual growth 5.8%
Theme LEGOLAND
Year 1973
Pieces 112
Availability Retired
383 LEGOLAND Truck with Excavator
Retail $2.25
Value $514.86
Growth  +22782.7%
Annual growth 11.2%
Theme / Subtheme LEGOLAND / Town
Year 1973
Pieces 110
Availability Retired
384 LEGOLAND Town London Bus
Retail $2.95
Value $283.72
Growth  +9517.6%
Annual growth 9.8%
Theme LEGOLAND
Year 1973
Pieces 26
Availability Retired
410 LEGOLAND Payloader
Retail $3.49
Value $71.51
Growth  +1949.0%
Annual growth 4.1%
Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 19
Availability Retired
420 LEGOLAND Police Car
Retail $1.49
Value $129.37
Growth  +8582.6%
Annual growth 9.0%
Theme LEGOLAND
Year 1973
Pieces 46
Availability Retired
450 LEGOLAND Fork Lift
Retail $2.49
Value $180.00
Growth  +7128.9%
Annual growth 4.9%
Theme LEGOLAND
Year 1973
Pieces 42
Availability Retired
460 LEGOLAND Rescue Units
Retail $1.49
Value $652.11
Growth  +43665.8%
Annual growth 9.3%
Theme Duplo
Year 1973
Availability Retired
508-2 LEGO Duplo Kindergarten Set
Retail $9.99
Theme / Subtheme Duplo / Building Sets
Year 1973
Pieces 31
Availability Retired
515-2 LEGO Duplo Building Set
Theme LEGOLAND
Year 1973
Pieces 155
Availability Retired
540-3 LEGOLAND Swiss Villa
Retail $15.99
Value $452.84
Growth  +2732.0%
Annual growth 6.8%
Theme LEGOLAND
Year 1973
Pieces 173
Availability Retired
545-2 LEGOLAND Conveyor Station
Retail $2.99
Value $467.67
Growth  +15541.1%
Annual growth 10.4%