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LEGO Monorail Transport Base set 6991

🏛 Unitron

Set #6991

Monorail Transport Base

Discover the Monorail Transport Base from the Unitron collection - 573 pieces of building excellence.

⏱ 4-8 hr 🧩 573 pcs

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3 Minifigures Included

Unitron

Spyrius Droid / Major Kartofski

Spyrius Droid / Major Kartofski

Unitron Chief

📦 Full Parts Inventory - 140 unique parts • 551 total pieces

Wing, Tail 4 x 1 x 3

Wing, Tail 4 x 1 x 3

Part #: 2340 4× Light Gray

Brick 2 x 2 Corner

Brick 2 x 2 Corner

Part #: 2357 2× Light Gray

Panel 1 x 2 x 3 - Solid Studs

Panel 1 x 2 x 3 -...

Part #: 2362a 4× Black

Panel 10 x 6 x 11

Panel 10 x 6 x 11

Part #: 2408 2× Trans-Dark Blue

Tile Special 1 x 2 Grille with Bottom Groove

Tile Special 1 x ...

Part #: 2412b 1× Blue

Tile Special 1 x 2 Grille with Bottom Groove

Tile Special 1 x ...

Part #: 2412b 16× Light Gray

Tile Special 1 x 2 Grille with Bottom Groove

Tile Special 1 x ...

Part #: 2412b 6× Black

Wedge Plate 3 x 6 Cut Corners

Wedge Plate 3 x 6...

Part #: 2419 4× Black

Plate 2 x 2 Corner

Plate 2 x 2 Corner

Part #: 2420 2× Black

Tile 1 x 4 with Groove

Tile 1 x 4 with G...

Part #: 2431 4× Light Gray

Tile 1 x 4 with Groove

Tile 1 x 4 with G...

Part #: 2431 2× Black

Bracket 1 x 2 - 1 x 4 [Square Corners]

Bracket 1 x 2 - 1...

Part #: 2436 1× Black

Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]

Plate Special 2 x...

Part #: 2444 5× Black

Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]

Plate Special 2 x...

Part #: 2444 2× Light Gray

Part #: 2445 2× Light Gray

Hinge Plate 1 x 2 with 3 Fingers On Side

Hinge Plate 1 x 2...

Part #: 2452 2× Black

Brick 1 x 1 x 5 with Blocked Open or Hollow Stud

Brick 1 x 1 x 5 w...

Part #: 2453a 2× Black

Part #: 2465 3× Black

Part #: 2465 6× Light Gray

Panel 3 x 2 x 6

Panel 3 x 2 x 6

Part #: 2466 7× Trans-Dark Blue

Windscreen 10 x 4 x 2 1/3 Canopy

Windscreen 10 x 4...

Part #: 2507 2× Trans-Dark Blue

Wheel Hard Plastic Large (54mm D. x 30mm)

Wheel Hard Plasti...

Part #: 2515 4× Black

Plate Special 1 x 2 Side Handle [Free Ends]

Plate Special 1 x...

Part #: 2540 2× Light Gray

Baseplate Raised 32 x 32 with Ramp and Pit, Crater Print

Baseplate Raised ...

Part #: 2552pr0002 1× Black

Tile Special 1 x 1 with Clip and Straight Tips

Tile Special 1 x ...

Part #: 2555 1× Black

Antenna 8H Whip

Antenna 8H Whip

Part #: 2569 9× Trans-Neon Green

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Plate Round 2 x 2...

Part #: 2654 3× Light Gray

Vehicle Track, Monorail Straight Short

Vehicle Track, Mo...

Part #: 2670 5× Light Gray

Vehicle Track, Monorail Track Straight Long

Vehicle Track, Mo...

Part #: 2671 1× Light Gray

Vehicle Track, Monorail Curve Long

Vehicle Track, Mo...

Part #: 2672 4× Light Gray

Vehicle Track, Monorail Ramp Lower Part

Vehicle Track, Mo...

Part #: 2677 2× Light Gray

Vehicle Track, Monorail Track Ramp Upper Part

Vehicle Track, Mo...

Part #: 2678 2× Light Gray

Support 4 x 4 x 5 Stanchion, Tall Studs

Support 4 x 4 x 5...

Part #: 2680 2× Black

Support 6 x 6 x 10 Stanchion

Support 6 x 6 x 1...

Part #: 2681 23× Black

Motor, Monorail 9V with Long Couplings [Complete Assembly]

Motor, Monorail 9...

Part #: 2684c01b 1× White

Wheel Holder, Monorail Bogey with Bogey Bracket/Pivot

Wheel Holder, Mon...

Part #: 2686c01 2× Black

Vehicle Base, Monorail 4 x 20

Vehicle Base, Mon...

Part #: 2687 2× Black

Technic Slope Long 1 x 6 with 3 Pin Holes

Technic Slope Lon...

Part #: 2744 2× Black

Technic Slope Long 1 x 6 with 3 Pin Holes

Technic Slope Lon...

Part #: 2744 2× Light Gray

Vehicle Track, Monorail Monoswitch

Vehicle Track, Mo...

Part #: 2774 2× Light Gray

Technic Pin with Friction Ridges Lengthwise and Center Slots

Technic Pin with ...

Part #: 2780 2× Black

Hinge Bar 2.5L with 2 and 3 Fingers on Ends (Pantograph Shoe Holder)

Hinge Bar 2.5L wi...

Part #: 2880 2× Black

Vehicle Track, Monorail Point Right

Vehicle Track, Mo...

Part #: 2889 1× Light Gray

Vehicle Track, Monorail Point Left

Vehicle Track, Mo...

Part #: 2890 1× Light Gray

Vehicle Track, Monorail Curve Short Right

Vehicle Track, Mo...

Part #: 2891 1× Light Gray

Vehicle Track, Monorail Curve Short Left

Vehicle Track, Mo...

Part #: 2892 1× Light Gray

Lever Small Base with Black Lever

Lever Small Base ...

Part #: 298c02 2× Light Gray

Part #: 3001 1× Black

Part #: 3001 2× Light Gray

Part #: 3002 2× Black

Part #: 3002 2× Light Gray

Part #: 3003 2× Black

Part #: 3003 2× Light Gray

Part #: 3004 3× Black

Part #: 3004 10× Light Gray

Part #: 3007 1× Light Gray

Part #: 3008 3× Black

Part #: 3008 4× Light Gray

Part #: 3009 2× Black

Part #: 3010 2× Light Gray

Part #: 3020 3× Black

Part #: 3020 1× Light Gray

Part #: 3022 2× Blue

Part #: 3022 10× Black

Part #: 3022 4× Light Gray

Part #: 3023 18× Black

Part #: 3023 8× Light Gray

Part #: 3023 20× Blue

Part #: 3024 2× Black

Part #: 3027 1× Black

Part #: 3030 1× Black

Part #: 3032 1× Light Gray

Part #: 3032 1× Black

Part #: 3034 2× Black

Part #: 3035 3× Black

Slope 45° 2 x 2

Slope 45° 2 x 2

Part #: 3039 2× Light Gray

Slope 45° 2 x 2

Slope 45° 2 x 2

Part #: 3039 5× Black

Slope 45° 2 x 2 with Spyrius Droid Image Print

Slope 45° 2 x 2 w...

Part #: 3039pr9968 1× Black

Slope 45° 2 x 2 with Horizon Screen Print

Slope 45° 2 x 2 w...

Part #: 3039pr9973 4× Black

Slope 45° 2 x 1 with Bottom Pin

Slope 45° 2 x 1 w...

Part #: 3040b 2× Black

Slope 45° 2 x 1 with Bottom Pin

Slope 45° 2 x 1 w...

Part #: 3040b 4× Light Gray

Tile 2 x 2 with Groove

Tile 2 x 2 with G...

Part #: 3068b 3× Black

Tile 2 x 2 with Yellow Arrow without Border Print

Tile 2 x 2 with Y...

Part #: 3068bpr0021 2× Black

Tile 1 x 2 with Digital Clock Print - '12:01' or '10:21'

Tile 1 x 2 with D...

Part #: 3069bpr0025 1× White

Tile 1 x 2 with Arrow Short Yellow without Black Border Print

Tile 1 x 2 with A...

Part #: 3069bpr0038 2× Black

Tile 1 x 2 with Arrow Long Yellow with Black Border Print

Tile 1 x 2 with A...

Part #: 3069bpr9981 3× Black

Plate Special 3 x 2 with Rounded End, Hole

Plate Special 3 x...

Part #: 3176 1× Light Gray

Slope 33° 3 x 4

Slope 33° 3 x 4

Part #: 3297 2× Light Gray

Slope 33° 3 x 2

Slope 33° 3 x 2

Part #: 3298 2× Black

Slope 33° 3 x 2

Slope 33° 3 x 2

Part #: 3298 3× Light Gray

Slope 33° 2 x 2 Double

Slope 33° 2 x 2 D...

Part #: 3300 3× Blue

Turntable 4 x 4 Square Base with Top, Complete Assembly

Turntable 4 x 4 S...

Part #: 3403c01 2× Black

Part #: 3460 4× Black

Part #: 3460 4× Blue

Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders]

Engine - Smooth, ...

Part #: 3475b 6× Blue

Part #: 3479 2× Light Gray

Wheel with Split Axle hole

Wheel with Split ...

Part #: 3482 1× Black

Part #: 3623 6× Black

Part #: 3623 4× Blue

Part #: 3634 1× Black

Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]

Slope Inverted 45...

Part #: 3660 1× Light Gray

Part #: 3666 4× Black

Technic Pin without Friction Ridges Lengthwise

Technic Pin witho...

Part #: 3673 4× Light Gray

Part #: 3710 3× Light Gray

Part #: 3710 38× Black

Part #: 3713 3× Light Gray

Technic Axle 10

Technic Axle 10

Part #: 3737 2× Black

Technic Plate 2 x 8 [7 Holes]

Technic Plate 2 x...

Part #: 3738 2× Black

Slope Inverted 33° 3 x 2 [No Connections between Studs]

Slope Inverted 33...

Part #: 3747a 1× Black

Plate Special 1 x 2 with 1 Stud without Groove (Jumper)

Plate Special 1 x...

Part #: 3794a 1× Black

Plate Special 1 x 2 with 1 Stud without Groove (Jumper)

Plate Special 1 x...

Part #: 3794a 6× Light Gray

Part #: 3795 2× Black

Steering Stand 1 x 2 with Black Steering Wheel

Steering Stand 1 ...

Part #: 3829c01 1× Light Gray

Part #: 3832 1× Light Gray

Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]

Plate Special 1 x...

Part #: 3839b 1× Blue

Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]

Plate Special 1 x...

Part #: 3839b 1× Black

Baseplate 16 x 32

Baseplate 16 x 32

Part #: 3857 2× Black

Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole

Support Round 2 x...

Part #: 3940b 4× Black

Brick Round 2 x 2 with Axle Hole

Brick Round 2 x 2...

Part #: 3941 2× Black

Cone 2 x 2 x 2, Open Stud

Cone 2 x 2 x 2, O...

Part #: 3942c 2× Light Gray

Cone 4 x 4 x 2, Axle Hole [Plain]

Cone 4 x 4 x 2, A...

Part #: 3943b 1× Black

Bracket 2 x 2 - 2 x 2

Bracket 2 x 2 - 2...

Part #: 3956 2× Black

Weapon Gun / Torch (Space) [with Grooves]

Weapon Gun / Torc...

Part #: 3959 2× Light Gray

Weapon Gun / Torch (Space) [with Grooves]

Weapon Gun / Torc...

Part #: 3959 2× Black

Dish 4 x 4 Inverted [Radar]

Dish 4 x 4 Invert...

Part #: 3960 4× Trans-Dark Blue

Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets

Brick Special 1 x...

Part #: 3963 2× Blue

Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets

Brick Special 1 x...

Part #: 3963 2× Black

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Plate Round 2 x 2...

Part #: 4032a 2× Blue

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Plate Round 2 x 2...

Part #: 4032a 7× Light Gray

Brick Special 1 x 1 with Headlight

Brick Special 1 x...

Part #: 4070 4× Black

Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]

Plate Special 1 x...

Part #: 4081b 2× Light Gray

Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]

Plate Special 1 x...

Part #: 4081b 2× Black

Plate Special 1 x 1 with Clip Vertical [Thick U Clip]

Plate Special 1 x...

Part #: 4085c 1× Black

Tile Round 2 x 2 with Bottom Cross

Tile Round 2 x 2 ...

Part #: 4150 1× Black

Plate Special 8 x 8 with Grille [No Hole in Center]

Plate Special 8 x...

Part #: 4151a 4× Black

Tile 1 x 8 with Groove

Tile 1 x 8 with G...

Part #: 4162 4× Black

Tile 1 x 8 with Groove

Tile 1 x 8 with G...

Part #: 4162 6× Light Gray

Tile 1 x 8 with Groove

Tile 1 x 8 with G...

Part #: 4162 4× Blue

Engine, Strakes, 2 x 2 Thin Top Plate

Engine, Strakes, ...

Part #: 4229 1× Black

Technic Bush 1/2 Toothed Type II [X Opening]

Technic Bush 1/2 ...

Part #: 4265b 1× Light Gray

Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]

Hinge Plate 1 x 2...

Part #: 4275b 2× Blue

Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs

Hinge Plate 1 x 2...

Part #: 4276b 2× Black

Part #: 4282 2× Black

Dish 6 x 6 Inverted, Radar / Webbed [No Anti-studs]

Dish 6 x 6 Invert...

Part #: 4285a 1× Black

Slope 33° 3 x 1

Slope 33° 3 x 1

Part #: 4286 1× Light Gray

Hinge Vehicle Roof Holder 1 x 4

Hinge Vehicle Roo...

Part #: 4315 2× Black

Support 2 x 4 x 5 Stanchion Inclined [5mm wide posts]

Support 2 x 4 x 5...

Part #: 4476b 6× Light Gray

Part #: 4477 3× Black

Cone 1 x 1 [No Top Groove]

Cone 1 x 1 [No To...

Part #: 4589 2× Trans-Neon Green

Plate Special 1 x 4 Offset with Bar Holes

Plate Special 1 x...

Part #: 4590 3× Black

Plate Special 1 x 2 with Long Stud Receptacle (Space Wing)

Plate Special 1 x...

Part #: 4596 2× Light Gray

Brick Special 2 x 2 with Pin and No Axle Hole

Brick Special 2 x...

Part #: 4730 1× Light Gray

Brick Special 1 x 1 Studs on 4 Sides

Brick Special 1 x...

Part #: 4733 2× Light Gray

Dish 2 x 2 Inverted [Radar]

Dish 2 x 2 Invert...

Part #: 4740 3× Trans-Dark Blue

Dish 2 x 2 Inverted [Radar]

Dish 2 x 2 Invert...

Part #: 4740 5× Trans-Neon Green

Battery Box, 9V Small [Complete Assembly]

Battery Box, 9V S...

Part #: 4760c01 1× Black

Light Brick 1 x 4 [Two Bulbs]

Light Brick 1 x 4...

Part #: 4771 1× Black

Wedge Plate 3 x 4 without Stud Notches

Wedge Plate 3 x 4...

Part #: 4859 1× Black

Wire with Brick 2 x 2 x 2/3 Pair, 15L

Wire with Brick 2...

Part #: 5306bc015 1× Black

Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]

Plate Special 1 x...

Part #: 6019 3× Black

Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]

Plate Special 1 x...

Part #: 6019 4× Blue

Brick 2 x 4 x 2 with Holes on Sides

Brick 2 x 4 x 2 w...

Part #: 6061 1× Black

Rock Panel Rectangular 4 x 10 x 6 (aka BURP)

Rock Panel Rectan...

Part #: 6082 1× Dark Gray

Rock Panel Triangular 3 x 8 x 7 (aka LURP)

Rock Panel Triang...

Part #: 6083 1× Dark Gray

Bracket 5 x 2 x 2 1/3 with Holes, Smooth Bottom

Bracket 5 x 2 x 2...

Part #: 6087 1× Black

Wedge Plate 8 x 8 with 3 x 4 Cutout

Wedge Plate 8 x 8...

Part #: 6104 2× Black

Part #: 6111 2× Light Gray

Part #: 6111 2× Black

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1...

Part #: 6141 8× Trans-Neon Green

Wedge Sloped 6 x 4 Cutout, No Stud Notches

Wedge Sloped 6 x ...

Part #: 6153a 2× Light Gray

Technic Brick 1 x 1 with Pin Hole

Technic Brick 1 x...

Part #: 6541 2× Black

Flexible Hose 8.5L with Tabless Ends (Ends same color as Tube)

Flexible Hose 8.5...

Part #: 73590c01a 2× Light Gray

Technic Universal Joint 4L [Complete Assembly]

Technic Universal...

Part #: 9244 1× Light Gray

🧱 Sticker Sheet for...

Part #: 168285 1× [No Color/Any Color]

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Inventory Statistics

140

Unique Parts

551

Total Pieces

4

Minifigures

Inventory Version: 1