How many pieces are in the Robo Master?

Robo Master contains 363 pieces.

When was the Robo Master released?

Robo Master was released in 1997.

🏛 RoboForce

Set #2154

Robo Master

Robo Master is a quintessential late-90s LEGO set.

Before you buy

Who it's for: Intermediate build LEGO fans who appreciate retro designs and unique robot creations
Build: 363 pieces · about 4.5 hours Build time is an estimate.
Price: $35.99 list price · 9.9¢ per piece
Availability: Likely retired

★★★☆☆ 3.8 AI-generated review score, not a customer rating

Fans appreciate the set's unique retro design and nostalgic value, but some find the building techniques outdated compared to modern sets. The trans-neon green parts are a highlight, though the overall complexity is relatively low.

$35.99

Best Price

$174.49

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Robo Master is a quintessential late-90s LEGO set. Released under the RoboForce theme, it showcases a unique blend of Technic and System bricks, offering a distinctive building experience and a cool, futuristic aesthetic.

This set is perfect for LEGO enthusiasts who appreciate retro designs and unique robot creations. The build offers a satisfying challenge, and the finished model makes for a great display piece, especially for those nostalgic for the RoboForce era.

Skip this if you prefer modern, highly detailed sets with complex building techniques. While charming, Robo Master lacks the sophistication of contemporary LEGO sets; consider newer LEGO robot themes for a more advanced build.

✨ New

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🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

363

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

Build Highlights:

Incorporates Technic elements for enhanced articulation and functionality
Features a blend of System bricks and Technic parts for a unique building experience
Includes trans-neon green elements that add a futuristic touch
Offers a sturdy and poseable robot model for display

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

↑ Trending up since release

Investment Grade

⏳ Retired

Robo Master presents a moderate investment opportunity, driven by its rarity, age, and the nostalgia factor associated with the RoboForce theme. The set's rising price trend suggests increasing collector interest. While not as iconic as some other themes, the RoboForce line has a dedicated following, potentially driving future value. However, the set's value is also dependent on its condition and completeness.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Compared to modern LEGO robot sets like those from the LEGO Ideas or Technic themes, Robo Master offers a simpler, more retro building experience. While it lacks the advanced features of newer sets, its unique aesthetic and nostalgic appeal make it a worthwhile addition for collectors. Consider newer LEGO robot themes for a more advanced build.

2 Minifigures Included

RoboForce, Yellow

2x included

The set includes two RoboForce, Yellow minifigures, each consisting of 6 parts. These minifigures are exclusive to the RoboForce theme and add to the set's collectible value.

📦 Parts Inventory

Piece count: 363
Parts cataloged in this inventory: 92 unique parts, 351 pieces
Minifigures: 2

The piece count includes the 12 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Sticker Sheet for...

Part #: 170909 1× [No Color/Any Color]

Equipment Control...

Part #: 2342 1× Light Gray

Brick 2 x 2 Corner

Part #: 2357 6× Light Gray

Brick 2 x 2 Corner

Part #: 2357 2× Black

Brick Wedged 3 x ...

Part #: 2399 1× Black

Brick Wedged 3 x ...

Part #: 2399 3× Light Gray

Tile Special 1 x ...

Part #: 2412b 5× Black

Tile Special 1 x ...

Part #: 2412b 9× Trans-Neon Green

Wedge Plate 4 x 9...

Part #: 2413 2× Black

Wedge Plate 3 x 6...

Part #: 2419 1× Black

Part #: 2431pr0046 2× Black

Tile Special 1 x ...

Part #: 2432 1× Light Gray

Plate 2 x 12

Part #: 2445 1× Blue

Brick Sloped Inve...

Part #: 2449 8× Black

Panel 3 x 2 x 6

Part #: 2466 5× Trans-Neon Green

Panel 3 x 3 x 6 C...

Part #: 2468 2× Trans-Neon Green

Plate Special 1 x...

Part #: 2540 10× Black

Antenna 8H Whip

Part #: 2569 2× Trans-Neon Green

Technic Slope Lon...

Part #: 2744 6× Black

Brick Special 1 x...

Part #: 2877 12× Light Gray

Hinge Bar 2.5L wi...

Part #: 2923 3× Black

Lever Small Base ...

Part #: 298c03 4× Black

Brick Special 2 x...

Part #: 30000 6× Dark Gray

Brick 2 x 4

Part #: 3001 2× Blue

Brick 2 x 4

Part #: 3001 2× Black

Brick 2 x 4

Part #: 3001 2× Light Gray

Brick 2 x 3

Part #: 3002 2× Black

Brick 2 x 3

Part #: 3002 2× Blue

Brick 2 x 2

Part #: 3003 2× Black

Brick 2 x 2

Part #: 3003 2× Light Gray

Panel 3 x 5 Solar...

Part #: 30034 4× Black

Brick 1 x 2

Part #: 3004 6× Yellow

Brick 2 x 8

Part #: 3007 2× Light Gray

Brick 1 x 8

Part #: 3008 1× Black

Brick 1 x 6

Part #: 3009 5× Light Gray

Brick 1 x 4

Part #: 3010 3× Black

Plate 2 x 4

Part #: 3020 1× Blue

Plate 2 x 4

Part #: 3020 3× Light Gray

Plate 2 x 3

Part #: 3021 1× Yellow

Plate 2 x 3

Part #: 3021 4× Black

Plate 2 x 2

Part #: 3022 2× Blue

Plate 2 x 2

Part #: 3022 2× Black

Plate 1 x 2

Part #: 3023 1× Black

Plate 1 x 2

Part #: 3023 1× Red

Plate 4 x 12

Part #: 3029 1× Light Gray

Plate 4 x 6

Part #: 3032 1× Black

Plate 2 x 8

Part #: 3034 4× Light Gray

Plate 2 x 8

Part #: 3034 2× Black

Plate 4 x 8

Part #: 3035 1× Black

Brick Sloped 45° ...

Part #: 3038 2× Black

Brick Sloped 45° ...

Part #: 3039 7× Black

Brick Sloped 45° ...

Part #: 3039pr9981 1× Black

Brick Round 1 x 1...

Part #: 3062b 12× Light Gray

Tile 1 x 2 with D...

Part #: 3069bpr0025 1× White

Tile 1 x 2 with T...

Part #: 3069bpr0043 1× White

Tile 1 x 2 with R...

Part #: 3069bpr0048 1× White

Tile 1 x 2 with S...

Part #: 3069bpr0049 1× White

Tile 1 x 2 with R...

Part #: 3069bpr0104 3× Black

Hinge Plate 2 x 5...

Part #: 3149bc01 2× Black

Plate Special 3 x...

Part #: 3176 2× Blue

Brick Sloped 33° ...

Part #: 3298 2× Light Gray

Brick Sloped 33° ...

Part #: 3298 2× Black

Brick Sloped 33° ...

Part #: 3298pr0034 3× Black

Brick Arch 1 x 6 ...

Part #: 3307 1× Black

Hinge Plate 2 x 9...

Part #: 3324ac01 2× Light Gray

Hinge Plate 2 x 9...

Part #: 3324ac01 1× Black

Brick 1 x 3

Part #: 3622 4× Black

Plate 1 x 3

Part #: 3623 2× Black

Brick Sloped Inve...

Part #: 3660 4× Light Gray

Brick Sloped Inve...

Part #: 3660 4× Black

Plate 1 x 4

Part #: 3710 4× Black

Plate 1 x 4

Part #: 3710 2× Light Gray

Plate Special 1 x...

Part #: 3794a 2× Light Gray

Plate 2 x 6

Part #: 3795 1× Light Gray

Plate 2 x 6

Part #: 3795 1× Black

Plate 2 x 10

Part #: 3832 1× Light Gray

Plate Special 1 x...

Part #: 3839b 5× Black

Wedge Plate 8 x 4...

Part #: 3933 1× Light Gray

Wedge Plate 8 x 4...

Part #: 3933 1× Black

Wedge Plate 8 x 4...

Part #: 3934 1× Black

Wedge Plate 8 x 4...

Part #: 3934 1× Light Gray

Wedge Plate 4 x 4...

Part #: 3935 1× Light Gray

Wedge Plate 4 x 4...

Part #: 3935 1× Black

Wedge Plate 4 x 4...

Part #: 3936 1× Black

Wedge Plate 4 x 4...

Part #: 3936 1× Light Gray

Hinge Brick 1 x 2...

Part #: 3937 2× Black

Hinge Brick 1 x 2...

Part #: 3938 2× Light Gray

Brick Round 2 x 2...

Part #: 3941 5× Blue

Antenna 1 x 4 wit...

Part #: 3957a 3× Black

Brick Special 1 x...

Part #: 4070 18× Light Gray

Tile 1 x 8 with G...

Part #: 4162 2× Black

Hinge Vehicle Roo...

Part #: 4213 1× Black

Hinge Plate 1 x 2...

Part #: 4276b 3× Light Gray

Hinge Vehicle Roo...

Part #: 4315 1× Black

Brick Sloped 75° ...

Part #: 4460a 2× Black

Brick Round 1 x 1...

Part #: 4588 1× Black

Cone 1 x 1 [No To...

Part #: 4589 1× Trans-Neon Green

Plate Special 1 x...

Part #: 4590 3× Black

Brick Special 1 x...

Part #: 4595 2× Light Gray

Brick Special 1 x...

Part #: 4595 4× Black

Dish 2 x 2 Invert...

Part #: 4740 8× Trans-Neon Green

Brick Sloped Inve...

Part #: 4854 1× Black

Brick Wedged, Slo...

Part #: 4856a 1× Light Gray

Wedge Plate 3 x 4...

Part #: 4859 1× Black

Brick Sloped Inve...

Part #: 4871 2× Black

Plate Special 1 x...

Part #: 6019 4× Black

Brick 1 x 12

Part #: 6112 2× Black

Wheel Hard Plasti...

Part #: 6118 12× Black

Plate Round 1 x 1...

Part #: 6141 18× Trans-Neon Green

Plate Round 1 x 1...

Part #: 6141 4× Trans-Red

Windscreen 6 x 4 ...

Part #: 6152a 1× Trans-Neon Green

Flexible Hose 8.5...

Part #: 73590c02a 4× Light Gray

Hinge Plate 1 x 4...

Part #: 73983 4× Black

This set offers a good selection of black and light gray elements, along with trans-neon green pieces that are useful for adding a futuristic aesthetic to MOCs. The inclusion of Technic slopes and specialized bricks makes it a versatile parts pack for robot builders.

🛒 Where to Buy

Bricks & Minifigs Eugene

✓ In Stock

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$124.99

Bricks & Minifigs Glen Carbon

✓ In Stock

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$129.99

eBay

✓ In Stock

$174.49 →

Online LEGO Store

✓ In Stock

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$299.99

Brick Owl

✓ In Stock

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$349.80

💎 Notable Parts

Trans-Neon Green Plate Round 1 x 1 with Solid Stud (18x) $2.70

Light Gray Brick Special 1 x 1 with Headlight (18x) $1.80

Light Gray Brick Special 1 x 2 with Grille (12x) $1.20

Trans-Neon Green Tile Special 1 x 2 Grille with Bottom Groove (9x) $2.25

Trans-Neon Green Dish 2 x 2 Inverted [Radar] (8x) $4.00

Est. BrickLink Part Value

$11.95

💡 MOC Potential

🤖 Larger, more complex robot designs with enhanced articulation

🚗 Futuristic vehicles or spacecraft using the set's unique parts

🏙 Cyberpunk cityscape elements incorporating the set's trans-neon green parts

📰 RoboForce News

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found

BlockTalk AI

ggamdori's review of the Robo Master (2154-1) highlights its status as the largest and most expensive of the RoboForce sets, making it desirable for collectors. The reviewer specifically praises the rare translucent neon green minifigure elements and the set's movable mechanisms.