Most Valuable LEGO Sets of 1990

The most valuable LEGO sets released in 1990, by current market value. This list ranks 50 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to King's Mountain Fortress at $2,700. The top 5 alone account for about 43% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-21.

#	Name	Value	Growth	/ piece
1	King's Mountain Fortress Castle · 1990	$2,700	+4555%	$6.21
2	Airport Shuttle Town · 1990	$2,450	+1650%	$3.19
3	Three Set Bonus Pack Assorted · 1990	$1,841	—	$12.28
4	Forestmen's Crossing Castle · 1990	$1,800	+6216%	$8.70
5	Mega Core Magnetizer Space · 1990	$1,301	+2068%	$2.59
6	Particle Ionizer Space · 1990	$1,050	+4277%	$5.17
7	LEGO Composing Set Dacta · 1990	$990	—	$2.05
8	Space Shuttle Launch Town · 1990	$800	+1500%	$2.04
9	Whirl and Wheel Super Truck Model Team · 1990	$700	+775%	$0.69
10	Stellar Recon Voyager Space · 1990	$664	+1745%	$2.85
11	International Jetport Town · 1990	$580	+731%	$1.07
12	Knight's Stronghold Castle · 1990	$497	+2161%	$2.22
13	Trans Air Carrier Town · 1990	$484	—	$2.33
14	Basic Building Set, 7+ Basic · 1990	$422	+1010%	$0.79
15	Control Centre Technic · 1990	$395	+299%	$0.72
16	Crusader's Cart Castle · 1990	$363	+3932%	$6.47
17	Breezeway Café Town · 1990	$351	+1428%	$1.92
18	Fire Control Centre Town · 1990	$304	+485%	$0.57
19	Black Monarch's Ghost Castle · 1990	$300	+4038%	$6.98
20	Pursuit Squad Town · 1990	$300	+1835%	$1.75
21	Maxi Zoo Duplo · 1990	$300	+305%	$4.62
22	Vacation Hideaway Town · 1990	$298	+2191%	$2.68
23	Handy Bucket of Bricks, 3+ Basic · 1990	$258	+1622%	$1.40
24	Dungeon Hunters Castle · 1990	$255	+1896%	$2.42
25	Rally Support Truck Technic · 1990	$242	+505%	$0.68
26	Meteor Monitor Space · 1990	$225	+7413%	$7.75
27	Basic Building Set, 5+ Basic · 1990	$205	—	$0.31
28	Basic Building Set, 7+ Basic · 1990	$193	—	$0.46
29	Celestial Forager Space · 1990	$187	+1612%	$2.08
30	Basic Building Set, 5+ Basic · 1990	$176	+780%	$0.26
31	Battle Dragon Castle · 1990	$170	+3686%	$3.47
32	Garbage Truck Duplo · 1990	$167	+2475%	$55.80
33	Airport Duplo · 1990	$166	+1007%	$12.77
34	Soil Scooper Town · 1990	$165	+1965%	$2.54
35	Barnyard Duplo · 1990	$151	+742%	$7.57
36	Solo Trainer Town · 1990	$149	+1765%	$2.01
37	Basic Building Set, 3+ Basic · 1990	$146	—	$0.35
38	Dual FX Racers Town · 1990	$140	+1500%	$1.30
39	Vector Detector Space · 1990	$136	+2046%	$2.20
40	Safari Off-Road Vehicle Town · 1990	$136	+4081%	$2.03
41	Panda and Friends Duplo · 1990	$135	+1251%	$5.19
42	Pirate Accessories Service Packs · 1990	$134	+4020%	$4.96
43	African Animals Duplo · 1990	$130	+110%	$3.26
44	Pulsar Charger Space · 1990	$125	+4081%	$4.81
45	Pre-School Bucket Duplo · 1990	$121	+706%	$1.21
46	Road Rebel Town · 1990	$118	+1862%	$1.73
47	Crusader's Cart Castle · 1990	$114	+1039%	$1.70
48	Building Plate 16 x 32 Yellow Service Packs · 1990	$113	+5669%	$112.50
49	Basic Building Set, 5+ Basic · 1990	$112	+766%	$0.64
50	Basic Building Set, 7+ Basic · 1990	$102	+466%	$0.26