In 1966, LEGO released 165 sets across 4 themes, all of these sets have been retired. For that year, the total price of all retail sets cost $408, today those sets are valued around $27,443.
Most valuable 1966 LEGO set
113-2 Motorized Train Set $3,736.12
Highest growth 1966 set
480-1-1 Assorted Bevelled Red Bricks +69184.00%
Largest 1966 LEGO set
800-3 Town Plan 760 pieces
Most owned 1966 set
150 Straight Track
1966 launched the LEGO Train system in Europe with 4.5V battery and 12V transformer options, plus new couplers, wheels, and track—an enduring subtheme for decades.
1 to 50 of 165 sets

003 Master Mechanic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 418
Availability Retired
003 LEGO Samsonite Master Mechanic Set
Retail $17.95
Value $1,191.58
Growth  +6538.3%
Annual growth 7.2%

004 Master Builder Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 670
Availability Retired
004 LEGO Samsonite Master Builder Set
Retail $19.95
Value $593.48
Growth  +2874.8%
Annual growth 5.8%

021 Wheel Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 185
Availability Retired
021 LEGO Samsonite Wheel Set
Retail $4.95
Value $345.79
Growth  +6885.7%
Annual growth 7.3%

042 Pre-School Set Brick Pull-Toy

Theme / Subtheme Samsonite / Jumbo Bricks
Year 1966
Pieces 6
Availability Retired
042 LEGO Samsonite Jumbo Bricks Pre-School Set Brick Pull-Toy
Retail $3.50
Value $214.92
Growth  +6040.6%
Annual growth 7.1%

051 49 Red Assorted Basic Bricks

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 50
Availability Retired
051 LEGO Samsonite 49 Red Assorted Basic Bricks
Retail $0.50
Value $60.42
Growth  +11984.0%
Annual growth 7.1%

052 49 White Assorted Basic Bricks

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 49
Availability Retired
052 LEGO Samsonite 49 White Assorted Basic Bricks
Retail $0.50
Value $50.36
Growth  +9972.0%
Annual growth 6.8%

053 49 Blue Assorted Basic Bricks

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 50
Availability Retired
053 LEGO Samsonite 49 Blue Assorted Basic Bricks
Retail $0.50
Value $133.34
Growth  +26568.0%
Annual growth 8.5%

054 49 Yellow Assorted Basic Bricks

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 49
Availability Retired
054 LEGO Samsonite 49 Yellow Assorted Basic Bricks
Retail $0.50
Value $103.32
Growth  +20564.0%
Annual growth 8.0%

055 Trees and Bushes

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 25
Availability Retired
055 LEGO Samsonite Trees and Bushes
Retail $0.50
Value $85.31
Growth  +16962.0%
Annual growth 7.7%

056 Red and White Windows and Doors

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 27
Availability Retired
056 LEGO Samsonite Red and White Windows and Doors
Retail $1.50
Value $117.05
Growth  +7703.3%
Annual growth 7.5%

057 4 Large Wheels

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 17
Availability Retired
057 LEGO Samsonite 4 Large Wheels
Retail $1.50

058 8 Small Wheels

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 26
Availability Retired
058 LEGO Samsonite 8 Small Wheels
Retail $1.50
Value $308.41
Growth  +20460.7%
Annual growth 9.3%

059 49 Bevelled Bricks Red Plus One 10x10 Stud Base Plate

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 49
Availability Retired
059 LEGO Samsonite 49 Bevelled Bricks Red Plus One 10x10 Stud Base Plate
Retail $0.50

060 14 White Flat Plates

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 15
Availability Retired
060 LEGO Samsonite 14 White Flat Plates
Retail $0.50
Value $89.28
Growth  +17756.0%
Annual growth 7.8%

061 5 Green Large Base Plates

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 5
Availability Retired
061 LEGO Samsonite 5 Green Large Base Plates
Retail $0.50

062 5 White Large Base Plates

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 5
Availability Retired
062 LEGO Samsonite 5 White Large Base Plates
Retail $0.50

063 5 Blue Large Base Plates

Theme / Subtheme Samsonite / Supplemental
Year 1966
Pieces 5
Availability Retired
063 LEGO Samsonite 5 Blue Large Base Plates
Retail $0.50

070 Universal Building Set

Year 1966
Availability Retired
070 LEGO Universal Building Set
Retail $15.50
Value $844.76
Growth  +5350.1%
Annual growth 6.9%

093 Small Basic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Availability Retired
093 LEGO Samsonite Small Basic Set
Retail $5.73
Value $612.21
Growth  +10584.3%
Annual growth 8.1%

99 Gift Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 99
Availability Retired
99 LEGO Samsonite Gift Set
Retail $2.95
Value $76.74
Growth  +2501.4%
Annual growth 7.9%

100 4.5V Motor with Wheels Small

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 16
Availability Retired
100 LEGO Trains 4.5V Motor with Wheels Small
Retail $5.99
Value $188.19
Growth  +3041.7%
Annual growth 5.9%

100-2 4.5V Motor with Wheels Large

Theme / Subtheme Trains / 4.5V
Year 1966
Availability Retired
100-2 LEGO Trains 4.5V Motor with Wheels Large
Retail $6.50
Value $189.00
Growth  +2807.7%
Annual growth 5.9%

101-3 4.5V Battery Case

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 1
Availability Retired
101-3 LEGO Trains 4.5V Battery Case
Retail $2.35
Value $40.76
Growth  +1634.5%
Annual growth 4.9%

111-2 Starter Train Set without Motor

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 123
Availability Retired
111-2 LEGO Starter Train Set without Motor
Retail $6.95
Value $195.39
Growth  +2711.4%
Annual growth 6.5%

112-2 Locomotive with Motor

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 76
Availability Retired
112-2 LEGO Trains Locomotive with Motor
Retail $7.25
Value $697.99
Growth  +9527.4%
Annual growth 7.9%

113-2 Motorized Train Set

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 402
Availability Retired
113-2 LEGO Motorized Train Set
Retail $16.99
Value $3,736.12
Growth  +21890.1%
Annual growth 9.4%

114-2 Small Train Set

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 88
Availability Retired
114-2 LEGO Small Train Set
Retail $4.25
Value $508.35
Growth  +11861.2%
Annual growth 8.3%

115-2 Starter Train Set with Motor

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 139
Availability Retired
115-2 LEGO Starter Train Set with Motor
Retail $22.00

120-2 Small Basic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 120
Availability Retired
120-2 LEGO Samsonite Small Basic Set
Retail $2.95
Value $130.84
Growth  +4335.3%
Annual growth 6.5%

150 Straight Track

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 28
Availability Retired
150 LEGO Trains Straight Track
Retail $1.50
Value $24.79
Growth  +1552.7%
Annual growth 5.0%

151 Curved Track

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 28
Availability Retired
151 LEGO Trains Curved Track
Retail $1.50
Value $24.36
Growth  +1524.0%
Annual growth 10.9%

152 Two Train Wagons

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 28
Availability Retired
152 LEGO Two Train Wagons
Retail $2.10
Value $31.30
Growth  +1390.5%
Annual growth 4.6%

153 Large Train Wagon

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 18
Availability Retired
153 LEGO Large Train Wagon
Retail $2.10
Value $79.00
Growth  +3661.9%
Annual growth 6.8%

205-3 Small Basic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 205
Availability Retired
205-3 LEGO Samsonite Small Basic Set
Retail $4.95
Value $364.13
Growth  +7256.2%
Annual growth 3.7%

285 Medium Basic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 285
Availability Retired
285 LEGO Samsonite Medium Basic Set
Retail $6.95
Value $376.76
Growth  +5321.0%
Annual growth 6.9%

301-2 Wheel Toy Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 301
Availability Retired
301-2 LEGO Samsonite Wheel Toy Set
Retail $6.22
Value $511.69
Growth  +8126.5%
Annual growth 7.6%

313 London Bus

Theme / Subtheme Classic / Vehicle
Year 1966
Pieces 141
Availability Retired
313 LEGO London Bus
Retail $2.25
Value $367.79
Growth  +16246.2%
Annual growth 8.9%

325-3 Shell Service Station

Theme / Subtheme Classic / Building
Year 1966
Pieces 121
Availability Retired
325-3 LEGO Shell Service Station
Retail $5.75
Value $1,072.63
Growth  +18554.4%
Annual growth 9.1%

375 Deluxe Basic Set

Theme / Subtheme Samsonite / Basic Set
Year 1966
Pieces 375
Availability Retired
375 LEGO Samsonite Deluxe Basic Set
Retail $8.95
Value $507.18
Growth  +5566.8%
Annual growth 7.0%

400-3 Small Wheels with Axles

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 12
Availability Retired
400-3 LEGO Small Wheels with Axles
Retail $0.75
Value $36.04
Growth  +4705.3%
Annual growth 5.2%

401-2 Large Wheels with Axles

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 7
Availability Retired
401-2 LEGO Large Wheels with Axles
Retail $0.50
Value $17.68
Growth  +3436.0%
Annual growth 4.9%

402-3 White Turntables

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
402-3 LEGO White Turntables
Retail $0.50
Value $19.71
Growth  +3842.0%
Annual growth 5.1%

403-3 Train Couplers and Wheels

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 12
Availability Retired
403-3 LEGO Train Couplers and Wheels
Retail $0.50
Value $13.25
Growth  +2550.0%
Annual growth 4.5%

414-1-1R No. 1 Assorted Red Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-1R LEGO Samsonite No. 1 Assorted Red Windows
Retail $0.50
Value $53.50
Growth  +10600.0%
Annual growth 6.9%

414-1-1W No. 1 Assorted White Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-1W LEGO Samsonite No. 1 Assorted White Windows
Retail $0.50
Value $76.95
Growth  +15290.0%
Annual growth 7.5%

414-1-2R No. 2 Assorted Red Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-2R LEGO Samsonite No. 2 Assorted Red Windows
Retail $0.50
Value $81.58
Growth  +16216.0%
Annual growth 7.6%

414-1-2W No. 2 Assorted White Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-2W LEGO Samsonite No. 2 Assorted White Windows
Retail $0.50
Value $68.91
Growth  +13682.0%
Annual growth 7.3%

414-1-3R No. 3 Assorted Red Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-3R LEGO Samsonite No. 3 Assorted Red Windows
Retail $0.50
Value $89.31
Growth  +17762.0%
Annual growth 7.8%

414-1-3W No. 3 Assorted White Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-3W LEGO Samsonite No. 3 Assorted White Windows
Retail $0.50
Value $80.04
Growth  +15908.0%
Annual growth 7.6%

414-1-4R No. 4 Assorted Red Windows

Theme / Subtheme Samsonite / Supplemental
Year 1966
Availability Retired
414-1-4R LEGO Samsonite No. 4 Assorted Red Windows
Retail $0.50