Heaviest LEGO Space sets

Monorail Transport Base (6991, 1994) is the heaviest Space set at 3.8 kg (8.4 lb), ahead of Monorail Transport System and MB-01 Eagle Command Base. 276 Space sets have a boxed weight; this list updates when a new set enters the top 25.

Boxed weight, BrickLink and Brickset data · Updated 24 Oct 2026

300 sets

RetiredRank #1
69911994Monorail Transport BaseSpace › UnitronDates unknownBox · Retail
Price
No RRP
Pieces
573
Weight (kg)
3.8 kg
Weight (lb)
8.4 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #2
69901987Monorail Transport SystemSpace › FuturonDates unknownBox · Retail
Price
No RRP
Pieces
731
Weight (kg)
3.0 kg
Weight (lb)
6.5 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #3
76902007MB-01 Eagle Command BaseSpace › Mars MissionJun 2007 – Dec 2008Box · Retail
Price
$89.99
Pieces
760
Weight (kg)
2.3 kg
Weight (lb)
5.1 lb
Age
Not available
Price per piece
$0.12
Price per kg
$38.91/kg
Price per lb
$17.65/lb
Minifigs
8
RetiredRank #4
73172001Aero Tube HangarSpace › Life On MarsJan 2001 – Mar 2002Box · Retail
Price
No RRP
Pieces
706
Weight (kg)
2.1 kg
Weight (lb)
4.6 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #5
76442008MX-81 Hypersonic Operations AircraftSpace › Mars MissionJun 2008 – Jul 2009Box · Retail
Price
$79.99
Pieces
795
Weight (kg)
1.9 kg
Weight (lb)
4.3 lb
Age
Not available
Price per piece
$0.10
Price per kg
$41.13/kg
Price per lb
$18.66/lb
Minifigs
5
RetiredRank #6
707092013Galactic TitanSpace › Galaxy SquadJun 2013 – Dec 2013Box
Price
$99.99
Pieces
1,012
Weight (kg)
1.8 kg
Weight (lb)
3.9 lb
Age
8–14
Price per piece
$0.10
Price per kg
$56.30/kg
Price per lb
$25.54/lb
Minifigs
5
RetiredRank #7
76992007MT-101 Armored Drilling UnitSpace › Mars MissionAug 2007 – Dec 2008Box · Retail
Price
$79.99
Pieces
635
Weight (kg)
1.8 kg
Weight (lb)
3.9 lb
Age
Not available
Price per piece
$0.13
Price per kg
$45.60/kg
Price per lb
$20.68/lb
Minifigs
5
RetiredRank #8
76492008MT-201 Ultra-Drill WalkerSpace › Mars MissionAug 2008 – Dec 2008Box · Retail
Price
$69.99
Pieces
759
Weight (kg)
1.7 kg
Weight (lb)
3.7 lb
Age
Not available
Price per piece
$0.09
Price per kg
$41.41/kg
Price per lb
$18.78/lb
Minifigs
3
RetiredRank #9
69771998Arachnoid Star Base / Arachno BaseSpace › InsectoidsJun 1998 – Dec 1999Box · Retail
Price
No RRP
Pieces
437
Weight (kg)
1.7 kg
Weight (lb)
3.7 lb
Age
8+
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #10
59742009Galactic EnforcerSpace › Space Police 3Jun 2009 – Dec 2010Box · Retail
Price
$99.99
Pieces
825
Weight (kg)
1.7 kg
Weight (lb)
3.6 lb
Age
8–14
Price per piece
$0.12
Price per kg
$60.60/kg
Price per lb
$27.49/lb
Minifigs
7
RetiredRank #11
69821996Explorien StarshipSpace › ExploriensJan 1996 – Dec 1997Box · Retail
Price
No RRP
Pieces
662
Weight (kg)
1.6 kg
Weight (lb)
3.6 lb
Age
9–12
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #12
70662011Earth Defense HQSpace › Alien ConquestJun 2011 – Dec 2011Box · Retail
Price
$89.99
Pieces
879
Weight (kg)
1.6 kg
Weight (lb)
3.6 lb
Age
8–14
Price per piece
$0.10
Price per kg
$55.21/kg
Price per lb
$25.04/lb
Minifigs
5
RetiredRank #13
69871988Message Intercept BaseSpace › BlacktronDates unknownBox · Retail
Price
No RRP
Pieces
569
Weight (kg)
1.6 kg
Weight (lb)
3.5 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #14
59852010Space Police CentralSpace › Space Police 3Jun 2010 – Dec 2010Box · Retail
Price
$79.99
Pieces
631
Weight (kg)
1.6 kg
Weight (lb)
3.4 lb
Age
8–14
Price per piece
$0.13
Price per kg
$51.14/kg
Price per lb
$23.20/lb
Minifigs
5
RetiredRank #15
69881991Alpha Centauri OutpostSpace › Blacktron 2Dates unknownBox · Retail
Price
No RRP
Pieces
406
Weight (kg)
1.4 kg
Weight (lb)
3.1 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #16
69891990Mega Core MagnetizerSpace › M-TronDates unknownBox · Retail
Price
No RRP
Pieces
503
Weight (kg)
1.3 kg
Weight (lb)
2.8 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #17
9281979Space Cruiser and MoonbaseSpace › ClassicDates unknownBox
Price
No RRP
Pieces
338
Weight (kg)
1.3 kg
Weight (lb)
2.8 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #18
69831993Ice Station OdysseySpace › Ice Planet 2002Dates unknownBox · Retail
Price
No RRP
Pieces
343
Weight (kg)
1.2 kg
Weight (lb)
2.6 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #19
69791997Interstellar StarfighterSpace › UFOSep 1997 – Dec 1998Box · Retail
Price
No RRP
Pieces
292
Weight (kg)
1.2 kg
Weight (lb)
2.6 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #20
76452008MT-61 Crystal ReaperSpace › Mars MissionJun 2008 – Jul 2009Box · Retail
Price
$49.99
Pieces
600
Weight (kg)
1.2 kg
Weight (lb)
2.6 lb
Age
Not available
Price per piece
$0.08
Price per kg
$42.62/kg
Price per lb
$19.33/lb
Minifigs
6
RetiredRank #21
76912007ETX Alien Mothership AssaultSpace › Mars MissionJun 2007 – Jul 2008Box · Retail
Price
$49.99
Pieces
434
Weight (kg)
1.1 kg
Weight (lb)
2.5 lb
Age
Not available
Price per piece
$0.12
Price per kg
$44.44/kg
Price per lb
$20.16/lb
Minifigs
7
RetiredRank #22
69801983Galaxy CommanderSpace › ClassicDates unknownPackaging and source unknown
Price
No RRP
Pieces
443
Weight (kg)
1.1 kg
Weight (lb)
2.5 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #23
69851986Cosmic Fleet VoyagerSpace › ClassicDates unknownBox · Retail
Price
No RRP
Pieces
413
Weight (kg)
1.1 kg
Weight (lb)
2.4 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #24
707052013Bug ObliteratorSpace › Galaxy SquadDates unknownBox · Retail
Price
$79.99
Pieces
711
Weight (kg)
1.1 kg
Weight (lb)
2.4 lb
Age
8–14
Price per piece
$0.11
Price per kg
$74.06/kg
Price per lb
$33.59/lb
Minifigs
4
RetiredRank #25
69841992Galactic MediatorSpace › Space Police 2Dates unknownBox · Retail
Price
No RRP
Pieces
406
Weight (kg)
1.0 kg
Weight (lb)
2.3 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #26
69701980Beta I Command BaseSpace › ClassicDates unknownPackaging and source unknown
Price
No RRP
Pieces
254
Weight (kg)
1.0 kg
Weight (lb)
2.3 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #27
69751997Alien AvengerSpace › UFOSep 1997 – Dec 1998Box · Retail
Price
No RRP
Pieces
369
Weight (kg)
1.0 kg
Weight (lb)
2.3 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
4
RetiredRank #28
69711984Inter-Galactic Command BaseSpace › ClassicDates unknownPackaging and source unknown
Price
No RRP
Pieces
328
Weight (kg)
1.0 kg
Weight (lb)
2.2 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #29
69731993Deep Freeze DefenderSpace › Ice Planet 2002Dates unknownBox · Retail
Price
No RRP
Pieces
417
Weight (kg)
0.99 kg
Weight (lb)
2.2 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #30
69861989Mission CommanderSpace › Space PoliceDates unknownBox · Retail
Price
No RRP
Pieces
478
Weight (kg)
0.99 kg
Weight (lb)
2.2 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #31
70652011Alien MothershipSpace › Alien ConquestJun 2011 – Jul 2012Box · Retail
Price
$59.99
Pieces
416
Weight (kg)
0.99 kg
Weight (lb)
2.2 lb
Age
8–14
Price per piece
$0.14
Price per kg
$60.60/kg
Price per lb
$27.49/lb
Minifigs
2
RetiredRank #32
69591994Lunar Launch SiteSpace › SpyriusDates unknownBox · Retail
Price
No RRP
Pieces
287
Weight (kg)
0.99 kg
Weight (lb)
2.2 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #33
69721987Polaris I Space LabSpace › ClassicDates unknownBox · Retail
Price
No RRP
Pieces
390
Weight (kg)
0.93 kg
Weight (lb)
2.0 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #34
707082013Hive CrawlerSpace › Galaxy SquadJun 2013 – Dec 2013Box
Price
$69.99
Pieces
560
Weight (kg)
0.92 kg
Weight (lb)
2.0 lb
Age
8–14
Price per piece
$0.13
Price per kg
$76.24/kg
Price per lb
$34.58/lb
Minifigs
3
RetiredRank #35
707042013Vermin VaporizerSpace › Galaxy SquadDates unknownBox · Retail
Price
$59.99
Pieces
506
Weight (kg)
0.90 kg
Weight (lb)
2.0 lb
Age
8–14
Price per piece
$0.12
Price per kg
$66.51/kg
Price per lb
$30.17/lb
Minifigs
3
RetiredRank #36
76922007MX-71 Recon DropshipSpace › Mars MissionJun 2007 – Dec 2008Box · Retail
Price
$39.99
Pieces
435
Weight (kg)
0.88 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
$0.09
Price per kg
$45.44/kg
Price per lb
$20.61/lb
Minifigs
6
RetiredRank #37
17931995Space Station ZenonSpace › UnitronDates unknownBox · Retail - limited
Price
No RRP
Pieces
346
Weight (kg)
0.87 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #38
69691998Celestial Stinger / Space SwarmSpace › InsectoidsJun 1998 – Dec 1999Box · Retail
Price
No RRP
Pieces
252
Weight (kg)
0.87 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #39
21541997Robo MasterSpace › RoboForceDates unknownBox · Retail - limited
Price
No RRP
Pieces
366
Weight (kg)
0.86 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
2
RetiredRank #40
69581996Android BaseSpace › ExploriensJan 1996 – Dec 1997Box · Retail
Price
No RRP
Pieces
267
Weight (kg)
0.86 kg
Weight (lb)
1.9 lb
Age
8–12
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #41
73162001Excavation SearcherSpace › Life On MarsJan 2001 – Mar 2002Box · Retail
Price
No RRP
Pieces
471
Weight (kg)
0.86 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #42
59732009Hyperspeed PursuitSpace › Space Police 3Jun 2009 – Dec 2010Box · Retail
Price
$49.99
Pieces
456
Weight (kg)
0.85 kg
Weight (lb)
1.9 lb
Age
7–14
Price per piece
$0.11
Price per kg
$59.16/kg
Price per lb
$26.83/lb
Minifigs
3
RetiredRank #43
69571992Solar SnooperSpace › Space Police 2Dates unknownBox · Retail
Price
No RRP
Pieces
255
Weight (kg)
0.84 kg
Weight (lb)
1.9 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #44
59842010Lunar LimoSpace › Space Police 3Jun 2010 – Dec 2010Box · Retail
Price
$39.99
Pieces
391
Weight (kg)
0.78 kg
Weight (lb)
1.7 lb
Age
8–14
Price per piece
$0.10
Price per kg
$51.01/kg
Price per lb
$23.14/lb
Minifigs
3
RetiredRank #45
69551989Space Lock-Up Isolation BaseSpace › Space PoliceDates unknownBox · Retail - limited
Price
No RRP
Pieces
253
Weight (kg)
0.78 kg
Weight (lb)
1.7 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
3
RetiredRank #46
76972007MT-51 Claw-Tank AmbushSpace › Mars MissionJun 2007 – Dec 2008Box · Retail
Price
$29.99
Pieces
374
Weight (kg)
0.76 kg
Weight (lb)
1.7 lb
Age
Not available
Price per piece
$0.08
Price per kg
$39.31/kg
Price per lb
$17.83/lb
Minifigs
3
RetiredRank #47
69521985Solar Power TransporterSpace › ClassicDates unknownBox · Retail
Price
No RRP
Pieces
317
Weight (kg)
0.74 kg
Weight (lb)
1.6 lb
Age
Not available
Price per piece
Not available
Price per kg
Not available
Price per lb
Not available
Minifigs
5
RetiredRank #48
59792009Max Security TransportSpace › Space Police 3Aug 2009 – Dec 2009Box · Retail
Price
$39.99
Pieces
330
Weight (kg)
0.74 kg
Weight (lb)
1.6 lb
Age
7–14
Price per piece
$0.12
Price per kg
$53.82/kg
Price per lb
$24.41/lb
Minifigs
3

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