Most Valuable Universal Building Set LEGO Sets

Updated 2026-07-21

The most valuable Universal Building Set LEGO sets by current market value. This list ranks 28 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to Building Set, 6+ at $494. The top 5 alone account for about 56% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-21.

Top 5 hold 56% of this list's value ($3,470).

Top 18 by value

Click any bar to open that item.

	Name			/ piece
1	Building Set, 6+ Universal Building Set · 1977	$494	—	$1.68
2	Universal Building Set Universal Building Set · 1974	$417	+1986%	$1.23
3	Building Set, 6+ Universal Building Set · 1977	$403	—	$0.86
4	Building Set Universal Building Set · 1973	$360	+4463%	$1.07
5	Building Set, 3+ Universal Building Set · 1977	$266	—	$2.03
6	2 Medium Baseplates, Green Universal Building Set · 1971	$228	+7239%	$113.75
7	Tractor Universal Building Set · 1974	$215	+4692%	$2.15
8	Building Set, 3+ Universal Building Set · 1977	$195	—	$0.97
9	Helicopter Universal Building Set · 1985	$190	—	$5.29
10	Basic Set Universal Building Set · 1973	$121	—	$0.29
11	Building Set, 3+ Universal Building Set · 1977	$93	—	$0.24
12	Trees and Signs (1969 version with old style trees and 3 bricks) Universal Building Set · 1969	$76	—	$5.82
13	Building Set, 3+ Universal Building Set · 1977	$50	—	$0.29
14	Building Set Universal Building Set · 1973	$50	—	$0.26
15	Gear set Universal Building Set · 1974	$45	+839%	$0.25
16	2 Large Baseplates, Red/Blue Universal Building Set · 1971	$42	+2156%	$20.87
17	Universal Motor Set Universal Building Set · 1976	$36	—	$1.16
18	Aircraft Universal Building Set · 1985	$29	—	$1.12
19	Basic Set #8 Universal Building Set · 1973	$20	—	$0.03
20	Gear Set Universal Building Set · 1974	$20	+321%	$0.33
21	Boat Universal Building Set · 1985	$20	+464%	$0.52
22	2 Large Baseplates, Green/Yellow Universal Building Set · 1971	$19	+947%	$9.69
23	Race Car Universal Building Set · 1985	$18	+75%	$1.03
24	2 Large Baseplates, Grey/White Universal Building Set · 1971	$17	+844%	$8.73
25	Super Set Universal Building Set · 1969	$16	-73%	$0.03
26	4.5V Motor Set with Rubber Tracks Universal Building Set · 1969	$15	+107%	$0.47
27	Basic Set With Motor Universal Building Set · 1969	$14	+48%	$0.15
28	Aeroplane Universal Building Set · 1987	$3	-42%	$0.14