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.
Most valuable 1966 LEGO Classic set
649-2 1:87 Mercedes Shell Tanker $2,900.37
Largest 1966 LEGO Classic set
800-3 Town Plan 760 pieces
Most owned 1966 Classic set
313 London Bus
Theme / Subtheme Classic / Vehicle
Year 1966
Pieces 141
Availability Retired
313 LEGO London Bus
Retail $2.25
Value $352.71
Growth  15576.0%
Annual growth 9.1%
Theme / Subtheme Classic / Building
Year 1966
Pieces 121
Availability Retired
325-3 LEGO Shell Service Station
Retail $5.75
Value $1,045.40
Growth  18080.9%
Annual growth 9.4%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 12
Availability Retired
400-3 LEGO Small Wheels with Axles
Retail $0.75
Value $31.30
Growth  4073.3%
Annual growth 5.4%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 7
Availability Retired
401-2 LEGO Large Wheels with Axles
Retail $0.50
Value $16.20
Growth  3140.0%
Annual growth 4.9%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
402-3 LEGO White Turntables
Retail $0.50
Value $26.41
Growth  5182.0%
Annual growth 5.8%
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 4.6%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-3 LEGO Windows Parts Pack Red
Retail $0.50
Value $41.12
Growth  8124.0%
Annual growth 6.6%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-4 LEGO Windows Parts Pack White
Retail $0.50
Value $34.67
Growth  6834.0%
Annual growth 6.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-5 LEGO Windows Parts Pack Red
Retail $0.50
Value $32.33
Growth  6366.0%
Annual growth 6.2%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
414-6 LEGO Windows Parts Pack White
Retail $0.50
Value $11.36
Growth  2172.0%
Annual growth 4.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 9
Availability Retired
415 LEGO 5 Sixteens and 4 Twenties
Retail $0.50
Value $20.04
Growth  3908.0%
Annual growth 5.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
416 LEGO 4 Sixteens 2 Twenties
Retail $0.50
Value $18.71
Growth  3642.0%
Annual growth 5.2%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
417-3 LEGO Cornerbricks
Retail $0.50
Value $20.04
Growth  3908.0%
Annual growth 5.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 10
Availability Retired
417-4 LEGO Cornerbricks
Retail $0.50
Value $33.46
Growth  6592.0%
Annual growth 6.2%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
418-2 LEGO 2x4 Bricks
Retail $0.50
Value $20.04
Growth  3908.0%
Annual growth 5.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 21
Availability Retired
418-3 LEGO 2x4 Bricks
Retail $0.50
Value $37.16
Growth  7332.0%
Annual growth 6.4%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 15
Availability Retired
419-2 LEGO 2x3 Bricks
Retail $0.50
Value $20.04
Growth  3908.0%
Annual growth 5.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 25
Availability Retired
419-3 LEGO 2x3 Bricks
Retail $0.50
Value $30.59
Growth  6018.0%
Annual growth 3.8%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 20
Availability Retired
420-3 LEGO 2x2 Bricks
Retail $0.50
Value $19.54
Growth  3808.0%
Annual growth 5.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 33
Availability Retired
420-4 LEGO 2x2 Bricks
Value $21.78
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 44
Availability Retired
421 LEGO 1x2 Bricks
Retail $0.50
Value $24.12
Growth  4724.0%
Annual growth 5.6%
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
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 28
Availability Retired
422 LEGO 1x1, 1x2, 1x4, 1x6, 1x8 Bricks
Retail $0.50
Value $18.37
Growth  3574.0%
Annual growth 5.2%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 28
Availability Retired
423-3 LEGO Curved and Round Bricks
Retail $0.50
Value $27.90
Growth  5480.0%
Annual growth 5.9%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
423-4 LEGO Curved and Round Bricks
Retail $0.50
Value $40.41
Growth  7982.0%
Annual growth 5.8%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 7
Availability Retired
426 LEGO 7 Named Beams
Retail $0.50
Value $47.57
Growth  9414.0%
Annual growth 6.9%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
427 LEGO 8 Pieces 2x8
Retail $0.50
Value $108.03
Growth  21506.0%
Annual growth 8.4%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 5
Availability Retired
428 LEGO 5 Plates 4x8
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 4
Availability Retired
429 LEGO 4 Plates 6x8
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
430-2 LEGO Six Trees and Bushes
Retail $0.50
Value $38.47
Growth  7594.0%
Annual growth 6.5%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
431 LEGO Gas Station
Retail $0.50
Value $40.36
Growth  7972.0%
Annual growth 6.6%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
432 LEGO Road Signs
Retail $0.50
Value $38.00
Growth  7500.0%
Annual growth 6.5%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
433 LEGO 6 Street Lamps with Curved Top
Retail $0.50
Value $110.16
Growth  21932.0%
Annual growth 10.6%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
434 LEGO 50 Lettered Bricks
Retail $0.50
Value $48.93
Growth  9686.0%
Annual growth 6.9%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 3
Availability Retired
435-2 LEGO Garage Plate and Door
Retail $0.50
Value $44.70
Growth  8840.0%
Annual growth 6.8%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 50
Availability Retired
437 LEGO 50 Numbered Bricks
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 3
Availability Retired
445-2 LEGO Lighting Device Pack
Retail $0.50
Value $79.51
Growth  15802.0%
Annual growth 7.8%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 6
Availability Retired
451 LEGO 1x6x3 Windows Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
452-2 LEGO 1x6x2 Windows Red or White
Retail $0.50
Value $76.81
Growth  15262.0%
Annual growth 7.8%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
453-2 LEGO 1x6x2 Shuttered Windows Red or White
Retail $0.50
Value $95.29
Growth  18958.0%
Annual growth 8.2%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 9
Availability Retired
454-2 LEGO 1x4x2 Windows Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 12
Availability Retired
455-2 LEGO 1x3x2 Window, Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 15
Availability Retired
456-2 LEGO 1x2x2 Window, Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 19
Availability Retired
457 LEGO 1x1x2 Windows Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 19
Availability Retired
458 LEGO 1x2x1 Window, Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 20
Availability Retired
459 LEGO 1x1x1 Windows Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 13
Availability Retired
460-2 LEGO 1x2x3 Door, Red or White
Retail $0.50
Theme / Subtheme Classic / Supplemental
Year 1966
Availability Retired
461 LEGO Windows and Doors, Retailer Pack
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 16
Availability Retired
462-2 LEGO 2x8 White Plates
Retail $0.50
Value $11.36
Growth  2172.0%
Annual growth 4.3%
Theme / Subtheme Classic / Supplemental
Year 1966
Pieces 8
Availability Retired
463 LEGO 4x8 White Plates
Retail $0.50
Value $32.33
Growth  6366.0%
Annual growth 6.2%