LEGO Sci-Fi

8,788 topics in this forum

1. LEGO Sci-Fi Ongoing - Rumors, Speculation, and Discussion 1 2 3 4 87

   By Lyichir, November 20, 2020
   • 2.2k replies
   • 272.3k views
   • 
   • SpacePolice89
   • Wednesday at 04:34 PM

2. Favorite/Inspirational Sci-Fi MOCs 1 2 3 4 12

   By danth, February 1, 2018   

   • inspiration
   • moc
   • 278 replies
   • 127.3k views
   • 
   • danth
   • February 27

3. WIP feedback thread 1 2 3 4 9

   By Si-MOCs, October 31, 2012   

   • WIP
   • HELP!
   • (and 3 more)

     Tagged with:

     • WIP
     • HELP!
     • Im stuck
     • advice please
     • wip thread
   • 205 replies
   • 113.5k views
   • 
   • 6180HydroSearchSub
   • October 28, 2025

4. [Contest] Summer Faction Festival

   By Bob De Quatre, July 9, 2025
   • 19 replies
   • 11.7k views
   • 
   • alex_lyman
   • September 23, 2025

5. LEGO Sci-Fi Launchpad

   By Piranha, March 4, 2012
   • 0 replies
   • 53.5k views
   • 
   • Piranha
   • March 4, 2012

6. [MOC] Galaxy Explorer drone

   By AmperZand, March 22
   • 9 replies
   • 401 views
   • 
   • AmperZand
   • 5 hours ago

7. [MOC] Classic space redux...the rest 1 2

   By Daiman, January 9
   • 41 replies
   • 1.8k views
   • 
   • Spaceman_
   • 15 hours ago

8. Cyberpunk Blacktron Base

   By Operacion Saturno, February 26   

   • blacktron
   • blacktron1
   • (and 4 more)

     Tagged with:

     • blacktron
     • blacktron1
     • base
     • space
     • rover
     • spaceship
   • 4 replies
   • 619 views
   • 
   • Spaceman_
   • 15 hours ago

9. MTron Beacon Tracer

   By Daiman, March 31
   • 7 replies
   • 226 views
   • 
   • Spaceman_
   • 15 hours ago

10. [Sci-Fi 90s] video and picture

    By Lego_fan_cam, January 17
    • 14 replies
    • 847 views
    • 
    • SpacePolice89
    • 19 hours ago

11. The Hail Mary & Blip-A

    By nopingrid, April 3
    • 5 replies
    • 381 views
    • 
    • Mandalorianknight
    • Monday at 03:29 AM

12. [Blacktron] Outpost

    By Horlack Bricks, May 31, 2024
    • 13 replies
    • 2.1k views
    • 
    • Spaceman_
    • Sunday at 07:46 PM

13. [MOC] M:Tron sets

    By Daiman, April 1
    • 7 replies
    • 228 views
    • 
    • Spaceman_
    • Sunday at 07:44 PM

14. (MOC): M:Tron Mining Base

    By Spaceman_, Saturday at 09:08 PM
    • 2 replies
    • 175 views
    • 
    • Spaceman_
    • Sunday at 06:53 PM

15. [MOC] M:Tron scientific research vehicle

    By Kalais, February 14   

    • febrovery
    • febrover
    • 8 replies
    • 520 views
    • 
    • GeoBrick
    • Sunday at 01:42 PM

16. MOC: Speederbike - Alcea

    By Peppermint_M, Sunday at 12:50 PM
    • 0 replies
    • 103 views
    • 
    • Peppermint_M
    • Sunday at 12:50 PM

17. LUNAR PATROLLER VEHICLE

    By Operacion Saturno, February 3, 2023
    • 2 replies
    • 719 views
    • 
    • Daiman
    • Saturday at 04:57 PM

18. [MOC] Space Blood Orcs

    By Kalais, March 15
    • 8 replies
    • 482 views
    • 
    • Kalais
    • April 2

19. [MOC] Vidiyo Transporter - B0XVID

    By Kalais, March 17
    • 10 replies
    • 574 views
    • 
    • Kalais
    • April 2

20. [MOC] M:Tron microscale monorail

    By Kalais, March 29
    • 3 replies
    • 197 views
    • 
    • Kalais
    • April 2

21. [MOC] Com-Sat base

    By Kalais, January 14
    • 6 replies
    • 798 views
    • 
    • Kalais
    • March 29

22. [MOC] Blacktron II encampment

    By Kalais, November 25, 2025   

    • blacktron2
    • moc
    • (and 3 more)

      Tagged with:

      • blacktron2
      • moc
      • base
      • lego
      • kalais
    • 10 replies
    • 1k views
    • 
    • Kalais
    • March 29

23. Speeder Bike 5AUS13 - "Saucy"

    By Peppermint_M, March 17
    • 2 replies
    • 220 views
    • 
    • Peppermint_M
    • March 18

24. Star Ion Tri-Fighter [MOC]

    By danth, February 11   

    • space moc spaceship
    • 9 replies
    • 621 views
    • 
    • danth
    • March 15

25. [MOD] Classic Space Version of 6903 Bug Blaster

    By SpacePolice89, February 13
    • 12 replies
    • 617 views
    • 
    • SpacePolice89
    • March 11

26. Show me some Transformers MOC's 1 2

    By Soundvox, November 20, 2022
    • 37 replies
    • 16.6k views
    • 
    • Soundvox
    • March 7

27. [MOC] Spectron Space Plane

    By SpacePolice89, February 6
    • 7 replies
    • 574 views
    • 
    • SpacePolice89
    • March 7

28. [MOC] Porco Rosso's hideout and his Savoia S.21

    By Norton74, February 25   

    • miyazaki
    • porco
    • (and 4 more)

      Tagged with:

      • miyazaki
      • porco
      • rosso
      • hayao
      • hideout
      • cove
    • 12 replies
    • 941 views
    • 
    • Norton74
    • March 1

29. [MOC] Battletech/Mechwarrior King Crab Mech

    By Kevin Hansen, December 18, 2020   

    • battletech
    • mech
    • (and 1 more)

      Tagged with:

      • battletech
      • mech
      • robot
    • 15 replies
    • 9.8k views
    • 
    • l0renZo
    • February 26

30. Anyone want to help me make a Space theme?

    By danth, February 22
    • 12 replies
    • 448 views
    • 
    • SpacePolice89
    • February 24

31. [MOC] Deep Space Explorer - BDP Series 10

    By enowicki, February 13   

    • space
    • lego
    • (and 4 more)

      Tagged with:

      • space
      • lego
      • classic space
      • ship
      • bricklink
      • bdp 10
    • 7 replies
    • 481 views
    • 
    • enowicki
    • February 18

32. ‘Aliens’ minifigs/APC/Dropship 1 2

    By Jay851, December 17, 2025
    • 26 replies
    • 1.7k views
    • 
    • Jay851
    • February 17

33. [MOC] Graviton Nomad

    By vangelisbricks, February 9
    • 8 replies
    • 759 views
    • 
    • elitist
    • February 15

34. [MOC] Sci-fi dwelling

    By vangelisbricks, February 8
    • 7 replies
    • 522 views
    • 
    • vangelisbricks
    • February 11

35. [MOC] Cyberpunk greengrocer's boat

    By vangelisbricks, January 31
    • 4 replies
    • 594 views
    • 
    • vangelisbricks
    • February 8

36. Source for reprints of Classic Space bricks?

    By FishHeadthe1st, January 27
    • 4 replies
    • 416 views
    • 
    • Wonderpants
    • January 31

37. [LDD] Battlestar Pegasus (MOC recreation) 1 2

    By manglegrat, March 11, 2017   

    • bluerender
    • ldd
    • (and 2 more)

      Tagged with:

      • bluerender
      • ldd
      • pegasus
      • battlestar galactica
    • 38 replies
    • 15.5k views
    • 
    • Guyinaplaguemask
    • January 28

38. Monorail 2.0?

    By M_longer, January 13
    • 3 replies
    • 613 views
    • 
    • mon-o-mat
    • January 27

39. [MOC] another Classic Space redux

    By Daiman, January 2
    • 5 replies
    • 711 views
    • 
    • Daiman
    • January 26

40. Blacktron I revisited - spaceships, cars, and robots OH MY! - updated 1/21/26 with snowspeeder inspired snub fighters 1 2 3

    By Murdoch17, January 11, 2023   

    • lightyear
    • xl-15
    • (and 11 more)

      Tagged with:

      • lightyear
      • xl-15
      • car
      • blacktron
      • space base
      • spaceship
      • space
      • mod
      • robot
      • tank
      • real world moc
      • snowspeeder
      • snub fighter
    • 52 replies
    • 13.1k views
    • 
    • Murdoch17
    • January 21

41. [MOC] Blacktron Betrayer (Renegade Remake)

    By danth, November 8, 2021   

    • space
    • moc
    • (and 4 more)

      Tagged with:

      • space
      • moc
      • blacktron
      • renegade
      • classic space
      • transformation
    • 21 replies
    • 7.3k views
    • 
    • Mondo-TRON
    • January 19

42. Grohl's Space Alternate Builds 1 2 3

    By grohl, February 3, 2023
    • 53 replies
    • 21.6k views
    • 
    • grohl
    • January 19

43. [MOC] Star Trek Classic / TOS NCC-1701 Emergency Manual Monitor / Engineering Room Part 2

    By BaronSat, January 4   

    • star trek tos
    • enterprise
    • (and 2 more)

      Tagged with:

      • star trek tos
      • enterprise
      • enginnering room
      • classic
    • 4 replies
    • 576 views
    • 
    • BaronSat
    • January 6

44. [MOC] Orc Portal

    By eljanos, December 8, 2025
    • 7 replies
    • 788 views
    • 
    • JesseNight
    • January 3

45. [WIP][MOC] Exo-Force 20th Anniversary Project

    By Kozikyo86, July 16, 2025   

    • exoforce
    • moc
    • (and 5 more)

      Tagged with:

      • exoforce
      • moc
      • mech
      • mechs
      • exo
      • force
      • exo-force
    • 6 replies
    • 7.2k views
    • 
    • Daiman
    • January 3

46. City Space Mech Prototype/Concept

    By 6129c04, December 24, 2025
    • 4 replies
    • 623 views
    • 
    • Daiman
    • January 3

47. [MOC] Cartagena class light cruiser

    By Sunder, December 27, 2025   

    • space
    • sci-fi
    • 4 replies
    • 942 views
    • 
    • Sebeus I
    • January 2

48. [MOC] RDA Valkyrie SSTO Shuttle - Alternate Build of 2 x 31134 Space Shuttle

    By Wurger49, January 2
    • 0 replies
    • 362 views
    • 
    • Wurger49
    • January 2

49. [MOC] Star Chaser Spacecraft - Alternate Build of 2 x 31134 Space Shuttle

    By Wurger49, December 30, 2025
    • 0 replies
    • 310 views
    • 
    • Wurger49
    • December 30, 2025

50. Omega X-7 Central Base

    By Operacion Saturno, December 19, 2025   

    • classic
    • space
    • (and 4 more)

      Tagged with:

      • classic
      • space
      • classic space
      • base
      • spaceship
      • rocket
    • 3 replies
    • 674 views
    • 
    • LEGO Train 12 Volts
    • December 30, 2025