In 1986, LEGO released 27 Basic sets across 3 subthemes, all of these sets have been retired. Subthemes for that year included Seasonal, Supplementaries, and Universal Building Set. For that year, the total price of all retail sets cost $171, today those sets are valued around $1,140, a growth of 568%.
Most valuable 1986 LEGO Basic set
1963 Basic Set with Storage Case $212.40
Highest growth 1986 Basic set
391-2 Police Car +3082.33%
Largest 1986 LEGO Basic set
1619 Storage Container 260 pieces
Most owned 1986 Basic set
1555 Santa Claus
27 sets

390 Helicopter

Theme / Subtheme Basic / Universal Building Set
Year 1986
Pieces / Minifigs 24 / 1
Availability Retired
390 LEGO Helicopter
Retail $5.98
Value $81.97
Growth  +1270.7%
Annual growth 6.8%

391-2 Police Car

Theme Basic
Year 1986
Pieces / Minifigs 21 / 1
Availability Retired
391-2 LEGO Police Car
Retail $3.00
Value $95.47
Growth  +3082.3%
Annual growth 5.0%

392-2 Fire Engine

Theme Basic
Year 1986
Pieces / Minifigs 23 / 1
Availability Retired
392-2 LEGO Fire Engine
Retail $4.50
Value $57.03
Growth  +1167.3%
Annual growth 6.6%

393-2 Tow Truck

Theme Basic
Year 1986
Pieces / Minifigs 29 / 1
Availability Retired
393-2 LEGO Tow Truck
Retail $5.00
Value $52.20
Growth  +944.0%
Annual growth 6.0%

800-2 Extra Bricks Red

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 120
Availability Retired
800-2 LEGO Extra Bricks Red
Retail $4.75
Value $19.88
Growth  +318.5%
Annual growth 2.9%

801-2 Extra Bricks Blue

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 82
Availability Retired
801-2 LEGO Extra Bricks Blue
Retail $4.75
Value $28.91
Growth  +508.6%
Annual growth 4.4%

802-2 Extra Bricks White

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 30
Availability Retired
802-2 LEGO Extra Bricks White
Retail $4.75
Value $20.68
Growth  +335.4%
Annual growth 2.1%

803 Extra Bricks Yellow

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
803 LEGO Extra Bricks Yellow
Retail $4.75
Value $18.48
Growth  +289.1%
Annual growth 3.2%

804 Extra Bricks Black

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
804 LEGO Extra Bricks Black
Retail $4.75
Value $20.91
Growth  +340.2%
Annual growth 3.8%

805 Extra Bricks Grey

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
805 LEGO Extra Bricks Grey
Retail $4.75
Value $5.01
Growth  +5.5%

806 Extra Plates Blue

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 42
Availability Retired
806 LEGO Extra Plates Blue
Retail $4.75
Value $24.92
Growth  +424.6%
Annual growth 2.6%

807 Extra Plates Red

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 42
Availability Retired
807 LEGO Extra Plates Red
Retail $4.75
Value $27.49
Growth  +478.7%
Annual growth 4.5%

808 Wheels and Tyres

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 40
Availability Retired
808 LEGO Wheels and Tyres
Retail $4.75
Value $18.63
Growth  +292.2%
Annual growth 3.5%

809 Doors and Windows

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 38
Availability Retired
809 LEGO Doors and Windows
Retail $4.75
Value $23.97
Growth  +404.6%
Annual growth 4.1%

811 Red Roof Bricks, Steep Pitch

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 59
Availability Retired
811 LEGO Red Roof Bricks, Steep Pitch
Retail $4.75
Value $21.07
Growth  +343.6%
Annual growth 4.9%

812 Red Roof Bricks, Shallow Pitch

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 101
Availability Retired
812 LEGO Red Roof Bricks, Shallow Pitch
Retail $4.75
Value $40.73
Growth  +757.5%
Annual growth 5.3%

813 Baseplate, Green

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
813 LEGO Baseplate, Green
Retail $4.49
Value $12.79
Growth  +184.9%
Annual growth 4.4%

814 Baseplates, Green, Red and Yellow

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 3
Availability Retired
814 LEGO Baseplates, Green, Red and Yellow
Retail $3.90
Value $19.08
Growth  +389.2%
Annual growth 2.7%

815 Baseplate, Grey

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
815 LEGO Baseplate, Grey
Retail $7.49
Value $25.00
Growth  +233.8%
Annual growth 2.3%

816 Lighting Bricks, 4.5V

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 18
Availability Retired
816 LEGO Lighting Bricks, 4.5V
Retail $9.49
Value $73.13
Growth  +670.6%
Annual growth 5.9%

1511 Basic Building Set

Theme Basic
Year 1986
Pieces 59
Availability Retired
1511 LEGO Basic Building Set
Retail $19.95
Value $47.91
Growth  +140.2%
Annual growth 2.2%

1523-2 Basic Building Set

Theme Basic
Year 1986
Pieces 27
Availability Retired
1523-2 LEGO Basic Building Set
Retail $1.49
Value $20.00
Growth  +1242.3%
Annual growth 5.8%

1524-2 Basic Building Set

Theme Basic
Year 1986
Pieces 38
Availability Retired
1524-2 LEGO Basic Building Set
Retail $1.49
Value $19.99
Growth  +1241.6%
Annual growth 6.7%

1555 Santa Claus

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 19
Availability Retired
1555 LEGO Santa Claus
Retail $1.00
Value $8.99
Growth  +799.0%
Annual growth 7.5%

1556 Christmas Hearts

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 10
Availability Retired
1556 LEGO Christmas Hearts
Retail $3.99
Value $23.27
Growth  +483.2%
Annual growth 4.5%

1619 Storage Container

Theme Basic
Year 1986
Pieces / Minifigs 260 / 4
Availability Retired
1619 LEGO Storage Container
Retail $25.99
Value $120.15
Growth  +362.3%
Annual growth 3.9%

1963 Basic Set with Storage Case

Theme Basic
Year 1986
Pieces / Minifigs 215 / 1
Availability Retired
1963 LEGO Basic Set with Storage Case
Retail $15.99
Value $212.40
Growth  +1228.3%
Annual growth 8.1%