Most Valuable LEGO Sets of 1998

The most valuable LEGO sets released in 1998, 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 Bumper Stack and Learn Set at $1,500. The top 5 alone account for about 29% 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	Bumper Stack and Learn Set Primo · 1998	$1,500	+7404%	$50.00
2	Adventurers combined set Dacta · 1998	$1,395	+1463%	$464.94
3	The Temple of Anubis Adventurers · 1998	$1,122	+1303%	$1.58
4	Thunder Arrow Boat Castle · 1998	$869	+28949%	$43.43
5	Hydro Crystalation Station Aquazone · 1998	$625	+594%	$1.30
6	The Valley of the Kings Adventurers · 1998	$593	+2867%	$3.62
7	Sphinx Secret Surprise Adventurers · 1998	$525	+950%	$1.51
8	Hydro Search Sub Aquazone · 1998	$514	+928%	$1.73
9	Sunshine Home Scala · 1998	$510	+431%	$3.04
10	Flying Ninja Fortress Castle · 1998	$452	+403%	$0.65
11	Classic Train Trains · 1998	$440	+566%	$1.56
12	Insectoids Combined Set Space · 1998	$422	—	$2.48
13	Sting Ray Stormer Aquazone · 1998	$400	+472%	$0.98
14	Katie Cat Bucket Duplo · 1998	$395	+6494%	$8.06
15	Stone Tower Bridge Castle · 1998	$390	+680%	$0.95
16	Treasure Tomb Adventurers · 1998	$382	+1813%	$2.33
17	Treasure Raiders Adventurers · 1998	$375	+9900%	$1.90
18	Stena Line Ferry Promotional · 1998	$362	—	$1.84
19	Desert Expedition Adventurers · 1998	$328	+1539%	$1.67
20	Clarence Caterpillar and Friends Gift Set Primo · 1998	$300	+2209%	$42.86
21	Robber's Retreat Castle · 1998	$300	+900%	$1.10
22	Inflight Air 2000 Town · 1998	$300	+1401%	$2.11
23	Additional Room Scala · 1998	$293	+2156%	$293.06
24	Space Hover Space · 1998	$292	—	$14.59
25	Arachnoid Star Base / Arachno Base Space · 1998	$290	+263%	$0.66
26	Extreme Team Challenge Town · 1998	$263	+425%	$0.75
27	LEGO Shogun Go! Castle · 1998	$256	—	$10.26
28	Amusement Park Set Dacta · 1998	$256	+156%	$0.85
29	Early Simple Machines II Set Dacta · 1998	$253	+172%	$2.55
30	Sonic Stinger Space · 1998	$251	+1041%	$2.64
31	Aircraft and Ground Crew Town · 1998	$250	+1166%	$1.75
32	Mummy's Tomb Adventurers · 1998	$240	+700%	$0.92
33	Cool Ice Cream Café Scala · 1998	$234	+609%	$3.60
34	Attraction Centre Duplo · 1998	$233	+1453%	$5.41
35	Emergency Response Centre Town · 1998	$226	+277%	$0.53
36	Sea Scorpion Aquazone · 1998	$220	+529%	$0.73
37	Space Police Car Space · 1998	$216	+10737%	$9.38
38	Adventurers Car Adventurers · 1998	$215	+2591%	$3.16
39	Res-Q Cruiser Town · 1998	$215	+514%	$0.73
40	Jet-Ski Znap · 1998	$209	+2516%	$8.36
41	Space Spider Space · 1998	$206	+3340%	$4.58
42	Adventurers Tomb Adventurers · 1998	$203	+2434%	$2.50
43	Samurai Stronghold Castle · 1998	$200	—	$1.03
44	Celestial Stinger / Space Swarm Space · 1998	$200	+300%	$0.79
45	Ferrari Formula 1 Racing Car Model Team · 1998	$199	—	$0.34
46	Basic Building Set, 3+ Basic · 1998	$196	+555%	$0.40
47	Command Post Central Town · 1998	$195	+225%	$0.72
48	Harry Cane's Airplane Adventurers · 1998	$184	—	$7.98
49	Aerial Recovery Town · 1998	$183	+630%	$0.94
50	My Place Scala · 1998	$176	+602%	$3.58