In 1966, LEGO released 85 Classic sets across 7 subthemes, all of these sets have been retired. Subthemes for that year included Building, HO 187 Vehicles, Jumbo Bricks, Supplemental, Town Plan, Vehicle, and Wooden Box Set. For that year, the total price of all retail sets cost $134, today those sets are valued around $11,586.
Most valuable 1966 LEGO Classic set
800-3 Town Plan $2,916.21
Highest growth 1966 Classic set
493-2 European Flags +37480.00%
Most owned 1966 Classic set
313 London Bus
1 to 50 of 85 sets

313 London Bus

Theme / Subtheme Classic / Vehicle
Year 1966
Pieces 141
Availability Retired
313 LEGO London Bus
Retail $2.25
Value $370.26
Growth  +16356.0%
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 $1,079.58
Growth  +18675.3%
Annual growth 9.1%

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 $36.18
Growth  +4724.0%
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 $19.79
Growth  +3858.0%
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 $13.30
Growth  +2560.0%
Annual growth 4.5%

414-3 Windows Parts Pack Red

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-3 LEGO Windows Parts Pack Red
Retail $0.50
Value $45.12
Growth  +8924.0%
Annual growth 6.6%

414-4 Windows Parts Pack White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-4 LEGO Windows Parts Pack White
Retail $0.50
Value $39.14
Growth  +7728.0%
Annual growth 6.3%

414-5 Windows Parts Pack Red

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-5 LEGO Windows Parts Pack Red
Retail $0.50
Value $25.34
Growth  +4968.0%
Annual growth 5.5%

414-6 Windows Parts Pack White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-6 LEGO Windows Parts Pack White
Retail $0.50
Value $12.12
Growth  +2324.0%
Annual growth 4.2%

415 5 Sixteens and 4 Twenties

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 9
Availability Retired
415 LEGO 5 Sixteens and 4 Twenties
Retail $0.50
Value $21.83
Growth  +4266.0%
Annual growth 5.3%

416 4 Sixteens 2 Twenties

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
416 LEGO 4 Sixteens 2 Twenties
Retail $0.50
Value $20.32
Growth  +3964.0%
Annual growth 5.2%

417-3 Cornerbricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
417-3 LEGO Cornerbricks
Retail $0.50
Value $21.83
Growth  +4266.0%
Annual growth 5.3%

417-4 Cornerbricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
417-4 LEGO Cornerbricks
Retail $0.50
Value $37.69
Growth  +7438.0%
Annual growth 6.2%

418-2 2x4 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
418-2 LEGO 2x4 Bricks
Retail $0.50
Value $28.59
Growth  +5618.0%
Annual growth 6.5%

418-3 2x4 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 21
Availability Retired
418-3 LEGO 2x4 Bricks
Retail $0.50
Value $41.58
Growth  +8216.0%
Annual growth 6.4%

419-2 2x3 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 15
Availability Retired
419-2 LEGO 2x3 Bricks
Retail $0.50
Value $21.83
Growth  +4266.0%
Annual growth 5.3%

419-3 2x3 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 25
Availability Retired
419-3 LEGO 2x3 Bricks
Retail $0.50
Value $17.58
Growth  +3416.0%
Annual growth 3.0%

420-3 2x2 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 20
Availability Retired
420-3 LEGO 2x2 Bricks
Retail $0.50
Value $17.93
Growth  +3486.0%
Annual growth 4.9%

420-4 2x2 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 33
Availability Retired
420-4 LEGO 2x2 Bricks
Retail $0.50
Value $20.23
Growth  +3946.0%
Annual growth 2.9%

421 1x2 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 44
Availability Retired
421 LEGO 1x2 Bricks
Retail $0.50
Value $20.96
Growth  +4092.0%
Annual growth 3.3%

421-2 2 Eights 2 Sixes 2 Fours 8 Twos 6 Ones

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 20
Availability Retired
421-2 LEGO 2 Eights 2 Sixes 2 Fours 8 Twos 6 Ones
Retail $0.50

422 1x1, 1x2, 1x4, 1x6, 1x8 Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 28
Availability Retired
422 LEGO 1x1, 1x2, 1x4, 1x6, 1x8 Bricks
Retail $0.50
Value $20.96
Growth  +4092.0%
Annual growth 5.2%

423-3 Curved and Round Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 28
Availability Retired
423-3 LEGO Curved and Round Bricks
Retail $0.50
Value $30.66
Growth  +6032.0%
Annual growth 5.9%

423-4 Curved and Round Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
423-4 LEGO Curved and Round Bricks
Retail $0.50
Value $46.60
Growth  +9220.0%
Annual growth 5.5%

426 7 Named Beams

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 7
Availability Retired
426 LEGO 7 Named Beams
Retail $0.50
Value $48.58
Growth  +9616.0%
Annual growth 6.7%

427 8 Pieces 2x8

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
427 LEGO 8 Pieces 2x8
Retail $0.50
Value $127.93
Growth  +25486.0%
Annual growth 8.4%

428 5 Plates 4x8

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
428 LEGO 5 Plates 4x8
Retail $0.50
Value $3.16
Growth  +532.0%
Annual growth 4.7%

429 4 Plates 6x8

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 4
Availability Retired
429 LEGO 4 Plates 6x8
Retail $0.50

430-2 Six Trees and Bushes

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
430-2 LEGO Six Trees and Bushes
Retail $0.50
Value $42.47
Growth  +8394.0%
Annual growth 6.5%

431 Gas Station

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
431 LEGO Gas Station
Retail $0.50
Value $55.36
Growth  +10972.0%
Annual growth 6.9%

432 Road Signs

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
432 LEGO Road Signs
Retail $0.50
Value $41.66
Growth  +8232.0%
Annual growth 6.4%

433 6 Street Lamps with Curved Top

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
433 LEGO 6 Street Lamps with Curved Top
Retail $0.50
Value $99.99
Growth  +19898.0%
Annual growth 8.0%

434 50 Lettered Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
434 LEGO 50 Lettered Bricks
Retail $0.50
Value $53.49
Growth  +10598.0%
Annual growth 6.9%

435-2 Garage Plate and Door

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 3
Availability Retired
435-2 LEGO Garage Plate and Door
Retail $0.50
Value $48.22
Growth  +9544.0%
Annual growth 6.7%

437 50 Numbered Bricks

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
437 LEGO 50 Numbered Bricks
Retail $0.50

445-2 Lighting Device Pack

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 3
Availability Retired
445-2 LEGO Lighting Device Pack
Retail $0.50
Value $87.64
Growth  +17428.0%
Annual growth 7.7%

451 1x6x3 Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
451 LEGO 1x6x3 Windows Red or White
Retail $0.50

452-2 1x6x2 Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
452-2 LEGO 1x6x2 Windows Red or White
Retail $0.50
Value $86.14
Growth  +17128.0%
Annual growth 7.7%

453-2 1x6x2 Shuttered Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
453-2 LEGO 1x6x2 Shuttered Windows Red or White
Retail $0.50
Value $107.36
Growth  +21372.0%
Annual growth 8.1%

454-2 1x4x2 Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 9
Availability Retired
454-2 LEGO 1x4x2 Windows Red or White
Retail $0.50

455-2 1x3x2 Window, Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 12
Availability Retired
455-2 LEGO 1x3x2 Window, Red or White
Retail $0.50

456-2 1x2x2 Window, Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 15
Availability Retired
456-2 LEGO 1x2x2 Window, Red or White
Retail $0.50

457 1x1x2 Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 19
Availability Retired
457 LEGO 1x1x2 Windows Red or White
Retail $0.50

458 1x2x1 Window, Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 19
Availability Retired
458 LEGO 1x2x1 Window, Red or White
Retail $0.50

459 1x1x1 Windows Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 20
Availability Retired
459 LEGO 1x1x1 Windows Red or White
Retail $0.50

460-2 1x2x3 Door, Red or White

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
460-2 LEGO 1x2x3 Door, Red or White
Retail $0.50

461 Windows and Doors, Retailer Pack

Theme / Subtheme Classic / Supplemental
Year 1966
Availability Retired
461 LEGO Windows and Doors, Retailer Pack
Retail $8.00

462-2 2x8 White Plates

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 16
Availability Retired
462-2 LEGO 2x8 White Plates
Retail $0.50
Value $12.12
Growth  +2324.0%
Annual growth 4.2%

463 4x8 White Plates

Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
463 LEGO 4x8 White Plates
Retail $0.50
Value $37.19
Growth  +7338.0%
Annual growth 6.2%