In 1984, LEGO released 77 sets across 8 themes, all of these sets have been retired. January saw the release of the most sets, with a total of 5. For that year, the total price of all retail sets cost $1,144, today those sets are valued around $27,990.
Most valuable 1984 LEGO set
6080 King's Castle $3,985.30
Highest growth 1984 set
6804 Surface Rover +21579.80%
Largest 1984 LEGO set
1053 Community Buildings 914 pieces
1984 brought sharper theme identities: Space moved toward cohesive subfactions, and Castle introduced clearer rivalries (precursors to named factions like Black Falcons and Crusaders that defined the mid-’80s).
1 to 50 of 77 sets

15 Castle Minifigures

Theme / Subtheme Castle / Classic
Year 1984
Pieces / Minifigs 10 / 6
Availability Retired
15 LEGO Castle Minifigures
Retail $5.00
Value $147.83
Growth  +2856.6%
Annual growth 8.4%

105 Mail Van

Theme / Subtheme Town / Promotional
Year 1984
Pieces / Minifigs 65 / 1
Availability Retired
105 LEGO Mail Van
Retail $5.95
Value $818.11
Growth  +13649.7%
Annual growth 8.9%

311-3 Basic Building Set

Theme Basic
Year 1984
Pieces 83
Availability Retired
311-3 LEGO Basic Building Set
Retail $6.99
Value $45.26
Growth  +547.5%
Annual growth 4.8%

533 Basic Building Set

Theme Basic
Year 1984
Pieces 89
Availability Retired
533 LEGO Basic Building Set
Retail $7.95
Value $42.37
Growth  +433.0%
Annual growth 3.4%

801-4 Fabuland Characters

Theme Fabuland
Year 1984
FabuFigs 2
Availability Retired
801-4 LEGO Fabuland Characters
Retail $3.95
Value $99.02
Growth  +2406.8%
Annual growth 7.9%

1012 Mosaic Set

Theme Dacta
Year 1984
Availability Retired
1012 LEGO Dacta Mosaic Set
Retail $15.75
Value $149.90
Growth  +851.7%
Annual growth 5.5%

1032 Technic II Powered Machines Set

Theme / Subtheme Dacta / Technic
Year 1984
Pieces 278
Availability Retired
1032 LEGO Dacta Technic II Powered Machines Set
Retail $79.99
Value $149.99
Growth  +87.5%
Annual growth 2.4%

1051 Basic Pack

Theme Dacta
Year 1984
Pieces / Minifigs 396 / 6
Availability Retired
1051 LEGO Dacta Basic Pack
Retail $69.99
Value $141.26
Growth  +101.8%
Annual growth 1.7%

1053 Community Buildings

Theme Dacta
Year 1984
Pieces 914
Availability Retired
1053 LEGO Dacta Community Buildings
Retail $79.99
Value $794.00
Growth  +892.6%
Annual growth 6.8%

1900 Special Trial Pack Duck

Theme Duplo
Year 1984
Pieces 6
Availability Retired
1900 LEGO Duplo Special Trial Pack Duck
Retail $3.99
Value $6.16
Growth  +54.4%
Annual growth 1.0%

1901 Trial Size Offer

Theme Basic
Year 1984
Pieces 31
Availability Retired
1901 LEGO Trial Size Offer
Retail $2.95
Value $9.15
Growth  +210.2%
Annual growth 7.3%

1932 Basic Building Set with Storage Case

Theme Basic
Year 1984
Pieces 83
Availability Retired
1932 LEGO Basic Building Set with Storage Case
Retail $15.00
Value $205.00
Growth  +1266.7%
Annual growth 6.6%

1954-2 Basic Set with Storage Case

Theme Basic
Year 1984
Pieces / Minifigs 137 / 1
Availability Retired
1954-2 LEGO Basic Set with Storage Case
Retail $12.99

1976 Town 3-Pack

Theme / Subtheme Town / Value Packs
Year 1984
Pieces 97
Availability Retired
1976 LEGO Town 3-Pack
Retail $9.99
Value $839.94
Growth  +8307.8%
Annual growth 11.1%

1979-2 Town Value Pack

Theme / Subtheme Town / Value Packs
Year 1984
Pieces 78
Availability Retired
1979-2 LEGO Town Value Pack
Retail $14.99
Value $345.33
Growth  +2203.7%
Annual growth 7.0%

1983 Space Value Pack

Theme / Subtheme Space / Value Packs
Year 1984
Pieces 97
Availability Retired
1983 LEGO Space Value Pack
Retail $9.97
Value $1,139.93
Growth  +11333.6%
Annual growth 5.8%

2054 Squirrel Rattle

Theme / Subtheme Duplo / Baby
Year 1984
Pieces 2
Availability Retired
2054 LEGO Duplo Baby Squirrel Rattle
Retail $3.99
Value $42.60
Growth  +967.7%
Annual growth 5.8%

2055 Rocking Horse

Theme / Subtheme Duplo / Baby
Year 1984
Pieces / Duplo figures 2 / 1
Availability Retired
2055 LEGO Duplo Baby Rocking Horse
Retail $15.50
Value $46.61
Growth  +200.7%
Annual growth 3.1%

2305 Red Base Plate

Theme Duplo
Year 1984
Pieces 1
Availability Retired
2305 LEGO Duplo Red Base Plate
Retail $9.99
Value $39.40
Growth  +294.4%
Annual growth 3.1%

2307 Supplementary Set

Theme / Subtheme Duplo / Supplementary
Year 1984
Pieces 18
Availability Retired
2307 LEGO Duplo Supplementary Set
Retail $9.99
Value $27.00
Growth  +170.3%
Annual growth 2.4%

2309 Supplementary Set

Theme / Subtheme Duplo / Supplementary
Year 1984
Pieces 25
Availability Retired
2309 LEGO Duplo Supplementary Set
Retail $12.99
Value $32.62
Growth  +151.1%
Annual growth 2.2%

2335 Basic Set Animal

Theme Duplo
Year 1984
Pieces 9
Availability Retired
2335 LEGO Duplo Basic Set Animal
Retail $8.99
Value $11.53
Growth  +28.3%
Annual growth 1.5%

2345 Basic Set House

Theme Duplo
Year 1984
Pieces / Duplo figures 15 / 2
Availability Retired
2345 LEGO Duplo Basic Set House
Retail $9.99
Value $100.81
Growth  +909.1%
Annual growth 5.5%

2355 Basic Set Vehicles

Theme Duplo
Year 1984
Pieces / Duplo figures 25 / 2
Availability Retired
2355 LEGO Duplo Basic Set Vehicles
Retail $9.99
Value $79.68
Growth  +697.6%
Annual growth 5.1%

2375 Basic Set Town

Theme Duplo
Year 1984
Pieces / Duplo figures 53 / 4
Availability Retired
2375 LEGO Duplo Basic Set Town
Retail $11.99

2618 Deep Sea Diver

Theme Duplo
Year 1984
Pieces / Duplo figures 2 / 1
Availability Retired
2618 LEGO Duplo Deep Sea Diver
Retail $7.99
Value $34.49
Growth  +331.7%
Annual growth 3.5%

2619 Helicopter

Theme Duplo
Year 1984
Pieces / Duplo figures 2 / 1
Availability Retired
2619 LEGO Duplo Helicopter
Retail $9.99
Value $45.00
Growth  +350.5%
Annual growth 3.7%

2636 Tow Truck

Theme Duplo
Year 1984
Pieces / Duplo figures 3 / 1
Availability Retired
2636 LEGO Duplo Tow Truck
Retail $9.99

2639 Petrol Station

Theme Duplo
Year 1984
Pieces / Duplo figures 12 / 2
Availability Retired
2639 LEGO Duplo Petrol Station
Retail $11.99
Value $98.45
Growth  +721.1%
Annual growth 6.5%

2649 Sea Explorer

Theme Duplo
Year 1984
Pieces / Duplo figures 36 / 3
Availability Retired
2649 LEGO Duplo Sea Explorer
Retail $24.99
Value $130.24
Growth  +421.2%
Annual growth 4.0%

2713 Train Points

Theme / Subtheme Duplo / Trains
Year 1984
Pieces 10
Availability Retired
2713 LEGO Duplo Train Points
Retail $11.99
Value $32.06
Growth  +167.4%
Annual growth 2.4%

2717 Train Bridge

Theme / Subtheme Duplo / Trains
Year 1984
Pieces 5
Availability Retired
2717 LEGO Duplo Train Bridge
Retail $8.99
Value $40.21
Growth  +347.3%
Annual growth 4.4%

3630 Percy Pilot

Theme Fabuland
Year 1984
Pieces / FabuFigs 8 / 1
Availability Retired
3630 LEGO Fabuland Percy Pilot
Retail $4.25
Value $279.31
Growth  +6472.0%
Annual growth 10.4%

3639 Paddy Wagon

Theme Fabuland
Year 1984
Pieces / FabuFigs 9 / 2
Availability Retired
3639 LEGO Fabuland Paddy Wagon
Retail $10.50
Value $217.89
Growth  +1975.1%
Annual growth 7.4%

3664 Bertie Bulldog Police Chief and Constable Bulldog

Theme Fabuland
Year 1984
Pieces / FabuFigs 63 / 2
Availability Retired
3664 LEGO Fabuland Bertie Bulldog Police Chief and Constable Bulldog
Retail $29.50
Value $201.79
Growth  +584.0%
Annual growth 11.6%

3670 Service Station

Theme Fabuland
Year 1984
Pieces / FabuFigs 52 / 2
Availability Retired
3670 LEGO Fabuland Service Station
Retail $19.95
Value $544.78
Growth  +2630.7%
Annual growth 8.1%

3671 Airport

Theme Fabuland
Year 1984
Pieces / FabuFigs 49 / 3
Availability Retired
3671 LEGO Fabuland Airport
Retail $22.25
Value $288.30
Growth  +1195.7%
Annual growth 6.2%

3711 Tubby and Tuba

Theme Fabuland
Year 1984
Pieces / FabuFigs 4 / 1
Availability Retired
3711 LEGO Fabuland Tubby and Tuba
Retail $5.25
Value $23.18
Growth  +341.5%
Annual growth 3.6%

3712 Robby Rabbit

Theme Fabuland
Year 1984
Pieces / FabuFigs 4 / 1
Availability Retired
3712 LEGO Fabuland Robby Rabbit
Retail $5.00
Value $71.06
Growth  +1321.2%
Annual growth 6.5%

3713 Mike Monkey

Theme Fabuland
Year 1984
Pieces / FabuFigs 7 / 1
Availability Retired
3713 LEGO Fabuland Mike Monkey
Retail $5.25
Value $71.59
Growth  +1263.6%
Annual growth 6.4%

3789 Constable Clarke

Theme Fabuland
Year 1984
Pieces / FabuFigs 5 / 1
Availability Retired
3789 LEGO Fabuland Constable Clarke
Retail $5.25
Value $97.93
Growth  +1765.3%
Annual growth 5.1%

3791 Wally Walrus

Theme Fabuland
Year 1984
Pieces / FabuFigs 6 / 1
Availability Retired
3791 LEGO Fabuland Wally Walrus
Retail $5.25
Value $227.27
Growth  +4229.0%
Annual growth 7.9%

6010 Supply Wagon

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 35 / 1
Availability Retired
6010 LEGO Lion Knights Supply Wagon
Retail $2.99
Value $267.37
Growth  +8842.1%
Annual growth 6.5%

6021 Jousting Knights

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 37 / 2
Availability Retired
6021 LEGO Lion Knights Jousting Knights
Retail $5.25
Value $387.96
Growth  +7289.7%
Annual growth 8.2%

6022 Horse Cart

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 42 / 2
Availability Retired
6022 LEGO Lion Knights Horse Cart
Retail $4.99
Value $226.86
Growth  +4446.3%
Annual growth 5.4%

6030 Catapult

Theme / Subtheme Castle / Black Falcons
Year 1984
Pieces / Minifigs 83 / 2
Availability Retired
6030 LEGO Black Falcons Catapult
Retail $5.99
Value $299.33
Growth  +4897.2%
Annual growth 5.6%

6040 Blacksmith Shop

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 92 / 2
Availability Retired
6040 LEGO Lion Knights Blacksmith Shop
Retail $9.25
Value $315.94
Growth  +3315.6%
Annual growth 4.7%

6061 Siege Tower

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 216 / 4
Availability Retired
6061 LEGO Lion Knights Siege Tower
Retail $17.50
Value $741.10
Growth  +4134.9%
Annual growth 6.1%

6073 Knight's Castle

Theme / Subtheme Castle / Black Falcons
Year 1984
Pieces / Minifigs 410 / 6
Availability Retired
6073 LEGO Black Falcons Knight's Castle
Retail $26.99
Value $1,547.00
Growth  +5631.8%
Annual growth 5.6%

6080 King's Castle

Theme / Subtheme Castle / Lion Knights
Year 1984
Pieces / Minifigs 674 / 12
Availability Retired
6080 LEGO Lion Knights King's Castle
Retail $52.75
Value $3,985.30
Growth  +7455.1%
Annual growth 6.4%