LEGO Technic, Mindstorms, Model Team and Scale Modeling

17,800 topics in this forum

1. 2026 Technic Sets Discussion 1 2 3 4 14

   By Auroralampinen, July 21, 2025
   • 336 replies
   • 104.4k views
   • 
   • Zerobricks
   • 9 hours ago

2. [TC30] Technic Mini Duo Contest - Discussion Topic 1 2

   By Jim, December 22, 2025
   • 30 replies
   • 1.6k views
   • 
   • Jim
   • January 2

3. [HELP] Generic Building Help Topic 1 2 3 4 37

   By Jim, January 12, 2020
   • 919 replies
   • 130.7k views
   • 
   • Paul B Technic
   • December 23, 2025

4. [TC30] Technic Mini Duo Contest - Entry Topic

   By Jim, December 22, 2025
   • 0 replies
   • 266 views
   • 
   • Jim
   • December 22, 2025

5. Contest Index

   By Jim, August 27, 2023
   • 1 reply
   • 11.9k views
   • 
   • Jim
   • August 27, 2023

6. LEGO Technic, Mindstorms, Model Team and Scale Modeling Index

   By legolijntje, April 1, 2013
   • 12 replies
   • 108.9k views
   • 
   • Jim
   • February 13, 2022

7. General Part Discussion 1 2 3 4 218

   By Polo-Freak, October 9, 2014   

   • rant!
   • Bionicle Technic
   • (and 1 more)

     Tagged with:

     • rant!
     • Bionicle Technic
     • 3mm rigid hose
   • 5.4k replies
   • 818.3k views
   • 
   • Jurss
   • 14 minutes ago

8. [MOC] 6 Axis Robotic Arm, 4th revision

   By Glaysche, December 22, 2025   

   • moc
   • technic
   • (and 5 more)

     Tagged with:

     • moc
     • technic
     • robot
     • 6dof
     • mindstorms
     • poweredup
     • spike
   • 9 replies
   • 661 views
   • 
   • Glaysche
   • 1 hour ago

9. [WIP][MOC] AUDI E5 Sportsback

   By Aleh, Thursday at 09:45 PM
   • 2 replies
   • 323 views
   • 
   • bruh
   • 2 hours ago

10. Dacta Control Lab Software 1 2 3 4 20

    By Dazmundo, March 22, 2012
    • 489 replies
    • 77.6k views
    • 
    • evank
    • 3 hours ago

11. [TC30] Construction Crew

    By Thirdwigg, January 13
    • 5 replies
    • 608 views
    • 
    • Thirdwigg
    • 8 hours ago

12. [MOC] 6 Degree of Freedom Robotic Arm 1 2

    By Glaysche, May 16, 2020   

    • robot
    • 6dof
    • (and 3 more)

      Tagged with:

      • robot
      • 6dof
      • control+
      • moc
      • techic
    • 38 replies
    • 10.5k views
    • 
    • thomas92
    • 8 hours ago

13. MOC - 1/30 Heavy Duty Truck with Steering Trailer (Manual or Motorized)

    By nico71, Friday at 02:10 PM   

    • technic
    • moc
    • (and 5 more)

      Tagged with:

      • technic
      • moc
      • power functions
      • control+
      • buwizz
      • truck
      • trailer
    • 6 replies
    • 551 views
    • 
    • Jeroen Ottens
    • 10 hours ago

14. [MOC] Matt's Off-Road Recovery Heavy Wrecker

    By Anto, Monday at 10:57 AM   

    • truck
    • suspension
    • (and 3 more)

      Tagged with:

      • truck
      • suspension
      • steering modes
      • wrecker
      • off-road
    • 11 replies
    • 587 views
    • 
    • Jeroen Ottens
    • 10 hours ago

15. Future Set Wishes and Speculation 1 2 3 4 86

    By SheepEater, July 24, 2012
    • 2.1k replies
    • 312.4k views
    • 
    • 1gor
    • 13 hours ago

16. How to make a watertight seal?

    By LegoLord1880, June 11, 2025
    • 23 replies
    • 1.4k views
    • 
    • engine1ear
    • 14 hours ago

17. (WIP) Lego realistic LVE

    By Need For Bricks, 15 hours ago
    • 2 replies
    • 122 views
    • 
    • Need For Bricks
    • 14 hours ago

18. Lego realistic LVE

    By Need For Bricks, Monday at 06:41 PM
    • 2 replies
    • 292 views
    • 
    • Need For Bricks
    • 15 hours ago

19. Mindstorms MindCuber RI Rubik Solver

    By Legodad_1999, Saturday at 05:06 PM
    • 8 replies
    • 415 views
    • 
    • IAssemble
    • 18 hours ago

20. [APP] BrickController2 1 2 3 4 53

    By imurvai, February 3, 2016   

    • sbrick
    • game controller
    • (and 8 more)

      Tagged with:

      • sbrick
      • game controller
      • boost
      • pf
      • ios
      • power functions
      • powered up
      • android
      • buwizz
      • control+
    • 1.3k replies
    • 310k views
    • 
    • rafaelmsr
    • Monday at 06:51 PM

21. [TC30] skidsteer and tracked dumper (1:21 Scale) Earthmoving Duo

    By crazy technic, January 11   

    • techic
    • skid steer
    • (and 1 more)

      Tagged with:

      • techic
      • skid steer
      • tracked dumper
    • 7 replies
    • 760 views
    • 
    • crazy technic
    • Monday at 04:01 PM

22. [WIP] TC30 Trophy truck and Rescue helicopter

    By Zerobricks, Friday at 03:19 AM   

    • tc30
    • helicopter
    • (and 6 more)

      Tagged with:

      • tc30
      • helicopter
      • trophy truck
      • baja
      • dakar
      • suspension
      • cyclic
      • v8
    • 8 replies
    • 583 views
    • 
    • Thirdwigg
    • Monday at 03:55 PM

23. [MOC] IFA Multicar M25

    By damjan97PL, Sunday at 08:27 PM
    • 3 replies
    • 471 views
    • 
    • Zerobricks
    • Monday at 12:40 PM

24. [GBC] The Akiyuki Project (2010 - 2020) 1 2 3 4 120

    By Blakbird, November 16, 2015   

    • gbc
    • instructions
    • (and 1 more)

      Tagged with:

      • gbc
      • instructions
      • akiyuki
    • 3k replies
    • 791.6k views
    • 
    • Frequenzberater
    • Sunday at 05:29 PM

25. [MOC] DAF TurboTwin X1

    By BrickShark, January 13
    • 14 replies
    • 828 views
    • 
    • 2GodBDGlory
    • Sunday at 05:20 PM

26. [TC30] Whirl and Wheel

    By 1980SomethingSpaceGuy, January 8
    • 24 replies
    • 1.2k views
    • 
    • 1980SomethingSpaceGuy
    • Sunday at 10:52 AM

27. [MOD] 42063 BMW R1200GS

    By 1980SomethingSpaceGuy, March 4, 2019
    • 5 replies
    • 2.1k views
    • 
    • steph77
    • Saturday at 11:17 AM

28. Help with finding solutions for getting an AT-AT walk cycle like in the movies. 1 2 3 4 9

    By BrickBear, December 2, 2023   

    • starwars
    • walkers
    • 203 replies
    • 22.1k views
    • 
    • Nelson
    • Friday at 02:55 PM

29. [TC30] Mini Backhoe and Dump Truck

    By 2GodBDGlory, January 11
    • 17 replies
    • 800 views
    • 
    • Thirdwigg
    • Friday at 02:26 PM

30. LEGO Interface A (9750/9771) – LEGO Technic Control 1 (TC1) reference/ideas thread 1 2 3 4 8

    By Toastie, December 15, 2022   

    • 9750
    • tc logo
    • (and 3 more)

      Tagged with:

      • 9750
      • tc logo
      • 9771
      • tc1
      • lego interface a
    • 177 replies
    • 21.9k views
    • 
    • maehw
    • Friday at 01:06 PM

31. [MOC] 9398 Sherp

    By paave, January 9   

    • alternate
    • offroad
    • (and 1 more)

      Tagged with:

      • alternate
      • offroad
      • rc
    • 5 replies
    • 630 views
    • 
    • paave
    • Friday at 12:51 PM

32. Repairing of old deteriorated (only insulotion) wire with brick (old Lego 9V system)

    By Kumbbl, January 13
    • 6 replies
    • 365 views
    • 
    • Kumbbl
    • Friday at 10:29 AM

33. Idea: Online Interface A simulator

    By evank, December 30, 2025
    • 6 replies
    • 569 views
    • 
    • Toastie
    • Friday at 08:44 AM

34. My mocs weird mechanisms alternative builds and more 1 2 3 4 16

    By Auroralampinen, September 30, 2024
    • 380 replies
    • 52.8k views
    • 
    • Auroralampinen
    • Friday at 06:32 AM

35. Working emergency lights and siren

    By Adeor, Thursday at 09:26 PM
    • 1 reply
    • 213 views
    • 
    • Zerobricks
    • Friday at 02:32 AM

36. Brushless motors in the lego world - general topic 1 2 3 4 21

    By Krxlion, March 14, 2023
    • 503 replies
    • 102.8k views
    • 
    • janssnet
    • Thursday at 03:21 PM

37. Technic General Discussion 1 2 3 4 60

    By Jim, September 19, 2013
    • 1.5k replies
    • 257.9k views
    • 
    • Auroralampinen
    • Thursday at 07:51 AM

38. 42215 Mods Improvements Alternative builds And Attachments 1 2 3

    By Auroralampinen, July 31, 2025
    • 56 replies
    • 17.7k views
    • 
    • Fyredog
    • January 14

39. [MOC] Lego Tarantula 4x4 Rock Bouncer / Buggy

    By Krxlion, January 9
    • 6 replies
    • 683 views
    • 
    • Krxlion
    • January 14

40. [TC30] Tracked pullback

    By msk6003, January 13
    • 3 replies
    • 341 views
    • 
    • msk6003
    • January 14

41. [MOC] Hyperpilote 1:8

    By Leviathan, January 6   

    • gearbox
    • supercar
    • (and 5 more)

      Tagged with:

      • gearbox
      • supercar
      • supercars
      • v6
      • turbo
      • hypercar
      • mechanism
    • 12 replies
    • 1.3k views
    • 
    • langko
    • January 14

42. 42215 Volvo EC500 Hybrid Excavator 1 2 3 4 16

    By Ngoc Nguyen, May 1, 2025
    • 381 replies
    • 70.5k views
    • 
    • Fyredog
    • January 13

43. Great news for 9750 fans -- LogoWriter Robotics discovered!

    By evank, November 12, 2025
    • 20 replies
    • 2.3k views
    • 
    • amine
    • January 13

44. [MOC] [WIP] LEGO 6542 Launch and Load Seaport Bigger 1 2

    By Thirdwigg, December 12, 2025   

    • 6542
    • thirdwigg farm
    • (and 2 more)

      Tagged with:

      • 6542
      • thirdwigg farm
      • ship
      • container truck
    • 28 replies
    • 2.4k views
    • 
    • Thirdwigg
    • January 12

45. [MOC] Cartesian Parallel Robot 1 2

    By ord, March 6, 2021
    • 30 replies
    • 7.9k views
    • 
    • ord
    • January 12

46. Grohl's Creations 1 2 3 4 31

    By grohl, July 15, 2010   

    • designer
    • alternate builds
    • (and 4 more)

      Tagged with:

      • designer
      • alternate builds
      • animal
      • vehicle
      • c model
      • rc
    • 761 replies
    • 314.6k views
    • 
    • Ngoc Nguyen
    • January 12

47. [TC30] Orange fun duo

    By Jurss, January 10
    • 8 replies
    • 602 views
    • 
    • 1980SomethingSpaceGuy
    • January 12

48. 42146 - Liebherr LR13000 1 2 3 4 55

    By Ngoc Nguyen, January 12, 2022
    • 1.4k replies
    • 364.8k views
    • 
    • AVCampos
    • January 11

49. Technic Pub 1 2 3 4 63

    By jantjeuh, October 18, 2014   

    • christmas
    • 1.6k replies
    • 208.9k views
    • 
    • Jundis
    • January 11

50. Lego smart brick applications? 1 2

    By bruh, January 7
    • 25 replies
    • 1.1k views
    • 
    • Ngoc Nguyen
    • January 11