Most Valuable Dacta LEGO Sets of the 1990s

The most valuable Dacta LEGO sets from the 1990s 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 Dacta Space Theme Set at $2,646. The top 5 alone account for about 54% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-22.

#	Name	Value	Growth	/ piece
1	Dacta Space Theme Set Dacta · 1991	$2,646	+3208%	$4.92
2	Castle Set Dacta · 1997	$2,500	+3837%	$7.79
3	Control Lab Building Set Dacta · 1993	$1,715	+1051%	$3.25
4	Adventurers combined set Dacta · 1998	$1,395	+1463%	$464.94
5	Technology Resource Set Dacta · 1995	$1,028	+586%	$0.59
6	LEGO Composing Set Dacta · 1990	$990	—	$2.05
7	Pneumatic Rubber Bands and Pneumatic Tubing Dacta · 1992	$654	—	$4.54
8	Hospital Dacta · 1993	$581	+675%	$1.11
9	Community Vehicles Dacta · 1993	$453	+557%	$0.61
10	Theme Set Dacta · 1991	$328	+557%	$0.36
11	Town Environment Dacta · 1991	$280	+133%	$0.45
12	Control Lab Serial Interface & Adapter Dacta · 1995	$268	+572%	$134.20
13	Amusement Park Set Dacta · 1998	$256	+156%	$0.85
14	People Dacta · 1991	$255	+538%	$7.09
15	Early Simple Machines II Set Dacta · 1998	$253	+172%	$2.55
16	Large LEGO Basic Set Dacta · 1991	$233	—	$0.37
17	XL Duplo Bulk Set Dacta · 1993	$230	+155%	$0.42
18	Control System Building Set Dacta · 1993	$215	+207%	$0.97
19	Universal School Set Dacta · 1997	$195	+164%	$0.27
20	Town Set Dacta · 1997	$179	—	$0.43
21	Community Workers Dacta · 1996	$168	+432%	$0.92
22	Technology Activity Set (Manufacturing Systems Set) Dacta · 1994	$150	—	$0.50
23	LEGO Technic and Pneumatic Elements Dacta · 1992	$128	+246%	$1.03
24	LEGO BASIC Just Bricks Dacta · 1998	$126	+429%	$0.22
25	Simple Mechanisms Set Dacta · 1997	$121	+51%	$0.44
26	Structures Set Dacta · 1998	$119	+48%	$0.26
27	DUPLO Zoo Babies (Zoo Animals) Dacta · 1995	$114	—	$7.11
28	Control Centre (9V) Dacta · 1996	$108	—	$7.18
29	Fun Time Gears Dacta · 1995	$105	—	$3.89
30	World People Dacta · 1995	$100	+160%	$4.18
31	Road Plates Dacta · 1998	$100	+150%	$10.00
32	Medium LEGO DACTA Basic Set Dacta · 1997	$100	+68%	$0.12
33	Doors, Windows and Roof Tiles Dacta · 1998	$95	+274%	$0.39
34	Early Structures Dacta · 1995	$94	+20%	$0.88
35	Small LEGO Basic Set Dacta · 1994	$89	—	$0.52
36	Community People Set Dacta · 1995	$80	+180%	$4.44
37	Push Train Set Dacta · 1998	$77	+0%	$1.03
38	Sloped Bricks Dacta · 1996	$76	—	$0.23
39	4.5V Technic Resource Set Dacta · 1995	$75	+0%	$0.28
40	Yellow Storage Box with Lid Dacta · 1990	$74	+492%	—
41	Motor Add-On for Simple Mechanisms Dacta · 1997	$72	+127%	$24.16
42	Fun Time Gears II Set Dacta · 1998	$62	+19%	$1.35
43	Mechanical Toy Shop Dacta · 1995	$53	+42%	$1.66
44	Town Street Theme Dacta · 1991	$50	+0%	$0.10
45	Introducing Air Power Dacta · 1997	$48	+60%	$0.54
46	Road plates Dacta · 1991	$44	+45%	$5.45
47	Roof Tiles Dacta · 1998	$41	—	$0.16
48	Wheels and Axles Dacta · 1998	$40	+18%	$0.14
49	Angle Sensor Dacta · 1995	$36	+44%	$36.00
50	Wheels and Axles Set Dacta · 1995	$35	+131%	$0.46