How many pieces are in the Underground Mining Station?

Underground Mining Station contains 637 pieces.

What age is the Underground Mining Station recommended for?

This set is recommended for ages 8-14.

When was the Underground Mining Station released?

Underground Mining Station was released in 2009.

LEGO Underground Mining Station set 8709

1 / 7

🏛 Power Miners

Set #8709

Underground Mining Station

The Underground Mining Station is a standout set from the Power Miners theme.

Before you buy

Who it's for: Ages 8+ · Intermediate build Ideal for LEGO fans aged 8-14 who love action-oriented themes and imaginative play.
Build: 637 pieces · about 4.5 hours Build time is an estimate.
Price: $79.99 list price · 12.6¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.0 community rating

Fans appreciate the unique color scheme and play features, especially the zip line and dynamite launcher. Some find the build repetitive, but overall it's considered a fun and engaging set.

$79.99

Best Price

$71.99

You Save

10% OFF

📝 Our Take

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

The Underground Mining Station is a standout set from the Power Miners theme. Its unique color scheme, play features, and rock monster antagonist make it a memorable addition to any LEGO collection. It perfectly encapsulates the high-action, subterranean world of the Power Miners.

This set is perfect for LEGO enthusiasts who enjoy themed builds with engaging playability. The set provides a fun and interactive building experience, and its display appeal is enhanced by the vibrant color palette and dynamic design. The multiple play features and minifigures add to the overall enjoyment.

Skip this if you prefer licensed themes or more realistic builds. While charming, the Power Miners theme is very stylized and may not appeal to everyone. Consider City or Creator sets for more conventional building experiences.

✨ New

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How does the Underground Mining Station compare to other sets in the Power Miners theme? What are the best ways to display this set to highlight its play features? How does the current market price compare to its original MSRP, and is it a good value for collectors? What are some creative ways to expand this set with additional LEGO bricks?

🧱 Building Experience

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

🧩

637

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

👤

8-14

Ages

Build Highlights:

Constructing the multi-level mining station with its various sections.
Utilizing Technic pins to create sturdy connections and moving parts.
Incorporating the zip line and dynamite launcher for dynamic play.
Displaying the set with its bright colors and detailed rock formations.

📈 Investment Analysis

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

↑ Trending up since release

B+

Investment Grade

⏳ Retired

The Underground Mining Station presents a solid investment opportunity due to its rarity and the enduring popularity of the Power Miners theme. As a retired set with a relatively high piece count and unique elements, it has seen significant price appreciation over the years. The inclusion of exclusive minifigures and the overall playability of the set further enhance its appeal to collectors. While market fluctuations can occur, the scarcity of this set suggests continued growth in value.

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

📖 About This Set

The Power Miners have built this massive underground mining station to help them gather crystals. Transport the precious cargo across lava rivers using the zip line. When rock monsters threaten, spot them with the huge searchlight, then use the dynamite hurler to drive them away. Includes rock monster and three Power Miners mini-figures. Includes 1 yellow rock-throwing monster and 3 minifigures: 1 engineer and 2 Power Miners and mining truck! Accessories include walkie talkie, pickaxe, shovel, 4 sticks of dynamite, 2 blue crystals and 2 yellow crystals! Transport crystals between the two control towers via the zip line! Control tower features chute for collecting crystals, search light and lookout post! Mining Station measures over 23 inches (58cm) long and 14 inches (37cm) tall!

⚖ Compare Similar Sets

Titanium Command Rig

Power Miners • 706 pcs

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Crystal Sweeper

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Compared to other sets in the Power Miners theme, the Underground Mining Station offers a comprehensive mining base with multiple play features. Sets like the Claw Digger (8959-1) focus more on vehicle-based action, while the Granite Grinder (8963-1) provides a different type of mining machine. The Underground Mining Station is a great choice for those who want a complete base with both vehicles and interactive elements.

4 Minifigures Included

Power Miner, Beard Stubble

4 parts

Power Miner, Orange Scar

4 parts

Rex, Blue

4 parts

Geolix with 2 Crystals (Big Fig)

5 parts

B+

The set includes the Geolix bigfig, a unique rock monster, and three Power Miners, including Rex. These minifigures enhance the set's playability and collectibility.

📦 Parts Inventory

Official piece count: 637
Parts cataloged in this inventory: 156 unique parts, 619 pieces
Minifigures: 4

LEGO counts 637 pieces. This inventory comes from a separate parts catalog and lists 636, including the 17 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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.

Tile Special 1 x ...

Part #: 12825 8× Light Bluish Gray

Tile Special 1 x ...

Part #: 12825 2× Black

Tile Special 1 x ...

Part #: 2412b 6× Light Bluish Gray

Plate 2 x 2 Corner

Part #: 2420 6× Light Bluish Gray

Tile 1 x 4 with G...

Part #: 2431 2× Lime

Bracket 1 x 2 - 1...

Part #: 2436 4× Black

Brick 2 x 6

Part #: 2456 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 2540 2× Dark Bluish Gray

Plate Special 1 x...

Part #: 2540 5× Black

Antenna 8H Whip

Part #: 2569 2× Dark Bluish Gray

Plate Round 2 x 2...

Part #: 2654 8× Dark Bluish Gray

Technic Pin with ...

Part #: 2780 29× Black

Plate Special 2 x...

Part #: 2817 2× Black

Lever Small Base ...

Part #: 298c02 5× Light Bluish Gray

Brick Special 2 x...

Part #: 30000 1× Light Bluish Gray

Brick 2 x 4

Part #: 3001 2× Lime

Brick 2 x 2

Part #: 3003 6× Dark Bluish Gray

Brick 2 x 2

Part #: 3003 2× Black

Wedge Plate 8 x 6...

Part #: 30036 1× Dark Bluish Gray

Brick 1 x 2

Part #: 3004 7× Lime

Brick 1 x 1

Part #: 3005 2× Dark Bluish Gray

Brick 2 x 8

Part #: 3007 1× Black

Bar 7 x 3 [4 Clips]

Part #: 30095 1× Dark Bluish Gray

Brick 1 x 4

Part #: 3010 2× Lime

Box / Crate with ...

Part #: 30150 1× Reddish Brown

Plate 2 x 4

Part #: 3020 1× Lime

Plate 2 x 4

Part #: 3020 6× Dark Bluish Gray

Plate 2 x 3

Part #: 3021 1× Light Bluish Gray

Plate 2 x 2

Part #: 3022 1× Light Bluish Gray

Plate 2 x 2

Part #: 3022 4× Orange

Plate 2 x 2

Part #: 3022 3× White

Plate 1 x 2

Part #: 3023 11× Dark Bluish Gray

Brick Special 1 x...

Part #: 30236 4× Black

Plate 6 x 16

Part #: 3027 4× Dark Bluish Gray

Plate 4 x 10

Part #: 3030 1× Dark Bluish Gray

Plate 4 x 4

Part #: 3031 3× Lime

Bar 1 x 8 with Br...

Part #: 30359b 2× Black

Plate 6 x 8

Part #: 3036 1× Dark Bluish Gray

Bar 4L (Lightsabe...

Part #: 30374 2× Trans-Neon Green

Arm Mechanical wi...

Part #: 30377 2× Black

Rock 1 x 1 Crysta...

Part #: 30385 2× Trans-Dark Blue

Rock 1 x 1 Crysta...

Part #: 30385 1× Trans-Neon Green

Brick Sloped 45° ...

Part #: 3039 4× Dark Bluish Gray

Construction Vehi...

Part #: 30394 1× Orange

Hook with Towball

Part #: 30395 1× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3039pr0002 1× White

Brick Sloped 45° ...

Part #: 3039pr0013 1× White

Brick Sloped 45° ...

Part #: 3040b 10× Trans-Neon Green

Brick Sloped 45° ...

Part #: 3045 1× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3046a 4× Dark Bluish Gray

Wedge Plate 4 x 4...

Part #: 30503 2× Dark Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 2× Light Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 4× Lime

Brick Round 1 x 1...

Part #: 3062b 1× Yellow

Tyre 24 x 14 Shal...

Part #: 30648 4× Black

Steering Wheel Sm...

Part #: 30663 2× Light Bluish Gray

Tile 2 x 2 with G...

Part #: 3068b 1× White

Tile 1 x 2 with G...

Part #: 3069b 9× Black

Tile 1 x 2 with G...

Part #: 3069b 32× Lime

Tile 1 x 2 with R...

Part #: 3069bpr0101 1× Light Bluish Gray

Plate Special 3 x...

Part #: 3176 1× Black

Fence Lattice 1 x...

Part #: 3185 5× Black

Technic Reel 3 x 2

Part #: 32012 1× Yellow

Technic Brick 1 x...

Part #: 32018 2× Black

Technic Plate Rot...

Part #: 32125 1× Light Bluish Gray

Technic Axle and ...

Part #: 32126 2× Light Bluish Gray

Technic Axle and ...

Part #: 32184 1× Black

Technic Axle and ...

Part #: 32192 2× Red

Technic Beam 3 x ...

Part #: 32249 2× Black

Technic Beam 1 x ...

Part #: 32278 2× Lime

Brick 1 x 2 x 2 w...

Part #: 3245b 4× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32523 2× Lime

Technic Beam 1 x ...

Part #: 32523 1× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32525 1× Lime

Technic Pin Conne...

Part #: 32530 10× Black

Technic Brick 6 x...

Part #: 32532 1× Black

Technic Pin Long ...

Part #: 32556 6× Tan

Plant, Carrot

Part #: 33172 2× Orange

Plant, Carrot Top

Part #: 33183 2× Bright Green

Plate 1 x 8

Part #: 3460 2× White

Plate 1 x 3

Part #: 3623 1× Light Bluish Gray

Brick Sloped Inve...

Part #: 3660 4× Black

Brick Sloped Inve...

Part #: 3660 1× Lime

Brick Sloped Inve...

Part #: 3665 2× Dark Bluish Gray

Plate 1 x 6

Part #: 3666 2× Lime

Brick Sloped 65° ...

Part #: 3678b 2× Dark Bluish Gray

Brick Sloped 65° ...

Part #: 3678b 2× Light Bluish Gray

Turntable 2 x 2 P...

Part #: 3679 1× Light Bluish Gray

Turntable 2 x 2 P...

Part #: 3680 1× Black

Brick Sloped 75° ...

Part #: 3684 4× Lime

Brick Sloped 75° ...

Part #: 3684 7× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3700 4× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3701 1× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3702 4× Black

Technic Axle 4

Part #: 3705 2× Black

Technic Axle 8

Part #: 3707 1× Black

Plate 1 x 4

Part #: 3710 13× Lime

Plate Special 2 x...

Part #: 3729 4× Black

Technic Plate 2 x...

Part #: 3738 2× Dark Bluish Gray

Brick Sloped Inve...

Part #: 3747b 2× Dark Bluish Gray

Technic Axle Pin ...

Part #: 3749 8× Tan

Plate Special 1 x...

Part #: 3794a 4× Light Bluish Gray

Plate Special 1 x...

Part #: 3794a 2× Black

Equipment Shovel ...

Part #: 3837 1× Black

Tool Pickaxe

Part #: 3841 1× Dark Bluish Gray

Hinge Brick 1 x 2...

Part #: 3937 2× Light Bluish Gray

Support Round 2 x...

Part #: 3940b 3× Black

Brick Round 2 x 2...

Part #: 3941 2× Lime

Brick Round 2 x 2...

Part #: 3941 4× Light Bluish Gray

Cone 2 x 2 x 2, O...

Part #: 3942c 2× Dark Bluish Gray

Equipment Radio [...

Part #: 3962b 2× Black

Support 1 x 1 x 5...

Part #: 40244 4× Black

Brick Special 1 x...

Part #: 4070 4× Light Bluish Gray

Tipper Bed 4 x 6,...

Part #: 4080 1× Orange

Tipper Bed 4 x 6,...

Part #: 4080 1× Lime

Plate Special 1 x...

Part #: 4081b 5× Black

Bar 1 x 4 x 2 wit...

Part #: 4083 1× Black

Plate Special 1 x...

Part #: 4085c 4× Light Bluish Gray

Plate Special 8 x...

Part #: 4151b 2× Dark Bluish Gray

Plate Special 1 x...

Part #: 4175 2× Dark Bluish Gray

Minifig Neckwear ...

Part #: 42446 2× Dark Bluish Gray

Wheel 11 x 8 with...

Part #: 42610 2× Light Bluish Gray

Technic Pin 1/2 w...

Part #: 4274 8× Light Bluish Gray

Plate 2 x 16

Part #: 4282 2× Black

Technic Axle Pin ...

Part #: 43093 12× Blue

Panel 1 x 4 x 1 w...

Part #: 43337 6× Dark Bluish Gray

Box 2 x 2 x 2 [Ho...

Part #: 4345b 2× Light Bluish Gray

Box 2 x 2 x 2 Doo...

Part #: 4346 2× Light Bluish Gray

Dish 3 x 3 Invert...

Part #: 43898 1× Trans-Clear

Technic Axle 7

Part #: 44294 1× Light Bluish Gray

Hinge Plate 1 x 2...

Part #: 44302a 2× Light Bluish Gray

Hinge Plate 1 x 2...

Part #: 44567a 3× Light Bluish Gray

Bracket 1 x 2 - 2...

Part #: 44728 4× Light Bluish Gray

Technic Pin Conne...

Part #: 44809 2× Black

Tap 1 x 1 without...

Part #: 4599b 1× Yellow

Tap 1 x 1 without...

Part #: 4599b 4× Black

Bar 1 x 3 [Clip /...

Part #: 4735 4× Light Bluish Gray

Boat, Mast 2 x 2 ...

Part #: 48002a 4× Black

Plate Special 1 x...

Part #: 48336 2× Light Bluish Gray

Engine / Air Scoo...

Part #: 50943 2× Light Bluish Gray

Brick Wedged, Cur...

Part #: 52031 2× Lime

Brick Sloped 30° ...

Part #: 54200 2× Dark Bluish Gray

Brick Sloped 30° ...

Part #: 54200 4× Orange

Brick Sloped 30° ...

Part #: 54200 2× Trans-Clear

Brick Sloped 30° ...

Part #: 54200 5× Lime

Brick Sloped 30° ...

Part #: 54200 4× Black

Wheel 18mm x 14mm...

Part #: 55982 4× Light Bluish Gray

Wheel 30.4 x 20 w...

Part #: 56145 1× Black

String Cord Thin ...

Part #: 56823c50 1× Black

Technic Tread Spr...

Part #: 57520 1× Black

Light Cover 1 x 1...

Part #: 58176 4× Trans-Orange

Support 2 x 2 x 1...

Part #: 58827 8× Black

Technic Axle Conn...

Part #: 59443 3× Light Bluish Gray

Wheel Hard Plasti...

Part #: 59521 1× Lime

Cone 1 x 1 [Top G...

Part #: 59900 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 60470a 1× Black

Plate Round 4 x 4...

Part #: 60474 1× Black

Window 1 x 2 x 2 ...

Part #: 60592 8× White

Glass for Window ...

Part #: 60601 8× Trans-Brown

Technic Pin 1/2 w...

Part #: 61184 6× Light Bluish Gray

Hinge Brick 2 x 2...

Part #: 6134 1× Light Bluish Gray

Hinge Brick 2 x 2...

Part #: 6134 1× Black

Brick Sloped 18° ...

Part #: 61409 7× Lime

Plate Round 1 x 1...

Part #: 6141 20× Trans-Clear

Plate Round 1 x 1...

Part #: 6141 4× Black

Turntable 4 x 4 S...

Part #: 61485 1× Black

Bar 1 x 4 x 2

Part #: 6187 3× Black

Brick Special 2 x...

Part #: 6232 2× Dark Bluish Gray

Technic Pin Conne...

Part #: 62462 6× Orange

Equipment Barbed ...

Part #: 62700 4× Pearl Light Gray

Bar 6L with Stop ...

Part #: 63965 1× Black

Equipment Dynamit...

Part #: 64728 4× Red

Technic Axle and ...

Part #: 6536 4× Black

Technic Brick 1 x...

Part #: 6541 2× Black

Technic Axle 3 wi...

Part #: 6587 3× Dark Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 8× Black

Tile 1 x 6 with G...

Part #: 6636 3× Light Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 4× Dark Bluish Gray

Hose Rigid 3mm D....

Part #: 75c49 1× Black

Hose, Ribbed 7mm ...

Part #: 78c14 2× Black

Technic Rubber Be...

Part #: 85546 1× Yellow

🧱 Sticker Sheet for...

Part #: 85666 1× [No Color/Any Color]

The set offers a wide array of lime green and dark bluish gray elements, providing a good selection of parts for MOC builders. The Technic pins are particularly useful for creating sturdy and functional builds.

🛒 Where to Buy

LEGO (UK)

✓ In Stock

Compare on eBay →

£51.85

eBay

✓ In Stock

$71.99 →

Walmart

✓ In Stock

Compare on eBay →

$75.99

Target

✓ In Stock

Compare on eBay →

$79.99

LEGO (US)

✓ In Stock

Compare on eBay →

$79.99

💎 Notable Parts

Lime Tile 1 x 2 with Groove (32x) $3.20

Black Technic Pin with Friction Ridges Lengthwise and Center Slots (29x) $1.45

Trans-Neon Green Slope 45° 2 x 1 with Bottom Pin (10x) $1.50

Black Support 2 x 2 x 10 Girder Triangular Vertical - Type 3 - Axle Hole, 3 Posts (8x) $4.00

Est. BrickLink Part Value

$10.15

💡 MOC Potential

🏙 Expand the mining station into a larger underground city.

🚗 Create a massive mining vehicle with enhanced drilling capabilities.

🌳 Design a detailed cave system with intricate rock formations.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 9 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

YouTube reviews of the LEGO Power Miners sets are largely neutral, focusing on set details rather than strong opinions. While one reviewer declared the Underground Mining Station the "best set ever," the overall sentiment lacks widespread enthusiasm. Most videos serve as descriptive reviews, detailing piece counts and pricing, rather than offering critical analyses.

Lego Power Miners Underground Mining Station Review (discontinued set)

baileym514 • 270.0K views Review

Lego Power Miners Boulder Blaster

killcam1301 • 173.2K views Review

LEGO Power Miners Thunder Driller Review

Nightshroud99 / Apollo Rhodes • 167.2K views Review

Community Sentiment

Based on 9 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

6 YouTube reviews

BlockTalk AI Summary

baileym514's review of the Underground Mining Station garnered significant views, but sentiment remains general and lacks specific praise beyond stating it's the "best set ever." CollectionDX reviewed the Thunder Driller, highlighting its role within the Power Miners line, but directs viewers to external text and picture reviews for deeper insights.