How many pieces are in the Sentai Fortress?

Sentai Fortress contains 1,448 pieces.

When was the Sentai Fortress released?

Sentai Fortress was released in 2006.

🏛 Exo-Force

Set #7709

Sentai Fortress

Sentai Fortress is a standout set in the Exo-Force theme.

Before you buy

Who it's for: Intermediate build Ideal for teens and adults who enjoy detailed builds and the Exo-Force theme.
Build: 1,448 pieces · about 6 hours Build time is an estimate.
Price: $99.99 list price · 6.9¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.3 community rating

Fans appreciate the set's unique aesthetic and play features, particularly the light-up elements and diverse minifigure selection. Some criticisms include the repetitive nature of building the fortress walls and the set's relatively high price on the secondary market.

$99.99

Best Price

$89.99

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📝 Our Take

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

Sentai Fortress is a standout set in the Exo-Force theme. This fortress is the ultimate base for the human resistance, packed with play features, light-up elements, and a commanding presence that captures the spirit of the anime-inspired line.

This set is perfect for Exo-Force enthusiasts and fans of mecha-themed builds. With a substantial piece count and intricate details, it offers a rewarding building experience, especially for those who appreciate the unique aesthetic and playability of the Exo-Force series. It’s also a great display piece for any LEGO collection.

Skip this if you prefer modern building techniques or are not a fan of the early 2000s LEGO aesthetic. The set's design and color scheme might feel dated compared to newer LEGO releases. Consider newer mecha-themed sets like those from the Monkie Kid theme for a more contemporary build experience.

✨ New

Ask BlockTalk about this set

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Sentai Fortress - building tips, investment potential, comparisons, or anything else!

Try asking:

How does Sentai Fortress compare to other large-scale LEGO fortresses in terms of playability and display value? What are some of the best ways to maintain the light-up elements in Sentai Fortress to ensure their longevity? How does the exclusive Sensei Keiken minifigure contribute to the overall value of this set? What are some creative ways to expand or modify Sentai Fortress to enhance its display presence?

🧱 Building Experience

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

🧩

1,448

Pieces

⏱

Estimated Build Time

📊

Intermediate

Difficulty

Build Highlights:

Building the large fortress gate and towers
Integrating light-up elements to enhance the set's features
Constructing various human and robot battle machines
Creating the repair bay and laser cannon emplacements

📈 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

Sentai Fortress has strong investment potential due to its relative rarity, high piece count, and the nostalgia factor associated with the Exo-Force theme. The inclusion of multiple minifigures, including the exclusive Sensei Keiken, adds to its collectibility. As a retired set with a rising price trend, it's likely to continue appreciating in value, especially if kept in good condition. However, its value is heavily reliant on the continued interest in the Exo-Force theme. Be mindful of potential market fluctuations and the condition of the set when considering it as an investment.

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

📖 About This Set

The robot army has stormed Tenchii Bridge and is attacking Sentai Fortress! Can the humans fight them off and win the battle? You decide! This giant-sized EXO-FORCE battle set features a massive gate, two towers, human and robot battle machines, a repair bay, laser cannons, light-up elements, and much more! Get set for adventure as Hikaru, Takeshi, Ha-Ya-To, and Ryo fight the Iron Drones led by Meca One.

Includes Sensei Keiken, leader of EXO-FORCE, not available in any other set!
Total of 8 minifigures are included: Keiken, Hikaru, Ryo, Ha-Ya-To, Meca One and 2 Iron Drone robot pilots!
Includes Hikaru's full-sized blue battle machine, Silent Strike!
Use the repair bay to fix the battle machines!
Fortress is over 31" (79cm) wide and 17" (43cm) tall!
Set includes 2 light bricks for powering up!
Special vehicles ride the rails atop the fortress!
Robot battle machine features rapid disk launcher!

⚖ Compare Similar Sets

Compared to other large sets from the mid-2000s, Sentai Fortress stands out for its unique anime-inspired design and play features. While sets like the LEGO Castle series offer a more traditional building experience, Sentai Fortress provides a distinct aesthetic and a compelling narrative. For those interested in mecha themes, newer sets from the LEGO Monkie Kid line offer a more modern building experience, but Sentai Fortress holds its own as a classic from the Exo-Force era.

8 Minifigures Included

Iron Drone / Devastator

The set includes a diverse cast of Exo-Force characters, including the exclusive Sensei Keiken, making it a valuable addition to any minifigure collection. The Iron Drone minifigures add to the playability and display options.

📦 Parts Inventory

Official piece count: 1,448
Parts cataloged in this inventory: 227 unique parts, 1,417 pieces
Minifigures: 8

LEGO counts 1,448 pieces. This inventory comes from a separate parts catalog and lists 1,458, including the 41 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.

Equipment Goblet ...

Part #: 2343 5× Black

Tile Special 1 x ...

Part #: 2412b 11× Trans-Red

Tile Special 1 x ...

Part #: 2412b 1× Blue

Wedge Plate 3 x 6...

Part #: 2419 2× Black

Wedge Plate 3 x 6...

Part #: 2419 2× Dark Bluish Gray

Plate 2 x 2 Corner

Part #: 2420 2× Black

Tile 1 x 4 with G...

Part #: 2431 2× White

Tile 1 x 4 with G...

Part #: 2431 5× Dark Bluish Gray

Tile Special 1 x ...

Part #: 2432 1× Blue

Tile Special 1 x ...

Part #: 2432 4× Black

Bracket 1 x 2 - 1...

Part #: 2436 2× Blue

Plate Special 2 x...

Part #: 2444 2× White

Plate 2 x 12

Part #: 2445 14× Dark Bluish Gray

Brick 1 x 2 x 5 w...

Part #: 2454a 12× Dark Bluish Gray

Brick 1 x 2 x 5 w...

Part #: 2454a 8× Light Bluish Gray

Brick 2 x 6

Part #: 2456 2× Reddish Brown

Plate Special 1 x...

Part #: 2540 18× Light Bluish Gray

Tile Special 1 x ...

Part #: 2555 2× Red

Tile Special 1 x ...

Part #: 2555 2× Light Bluish Gray

Tile Special 1 x ...

Part #: 2555 2× Yellow

Bar, 4 Top Bars, ...

Part #: 2566 2× Black

Antenna 8H Whip

Part #: 2569 8× Black

Plate Round 2 x 2...

Part #: 2654 2× Trans-Clear

Technic Pin with ...

Part #: 2780 28× Black

Plate Special 2 x...

Part #: 2817 10× Black

Technic Forklift ...

Part #: 2823 2× Black

Lever Small Base ...

Part #: 298c02 7× Blue

Lever Small Base ...

Part #: 298c02 2× Yellow

Brick Special 2 x...

Part #: 30000 2× Dark Bluish Gray

Brick 2 x 4

Part #: 3001 12× Dark Bluish Gray

Brick 2 x 3

Part #: 3002 2× Black

Brick 2 x 2

Part #: 3003 1× Yellow

Brick 2 x 2

Part #: 3003 12× Dark Bluish Gray

Plate Special 2 x...

Part #: 30033 1× Dark Bluish Gray

Brick 1 x 2

Part #: 3004 9× Dark Bluish Gray

Plate Special 1 x...

Part #: 30043 2× Black

Brick 1 x 8

Part #: 3008 12× Dark Bluish Gray

Weapon Spear Gun ...

Part #: 30088 8× Black

Brick 1 x 6

Part #: 3009 1× White

Brick 1 x 4

Part #: 3010 2× Yellow

Brick 1 x 4

Part #: 3010 1× Dark Bluish Gray

Weapon Gun / Pist...

Part #: 30132 2× Dark Bluish Gray

Brick 2 x 2 x 3

Part #: 30145 4× Light Bluish Gray

Box / Crate with ...

Part #: 30150 2× Reddish Brown

Equipment Magnify...

Part #: 30152pat0001 1× Black

Equipment Binoculars

Part #: 30162 11× Dark Bluish Gray

Plate 2 x 4

Part #: 3020 2× Dark Bluish Gray

Plate 2 x 4

Part #: 3020 9× Light Bluish Gray

Plate 2 x 3

Part #: 3021 11× Black

Plate 2 x 2

Part #: 3022 14× Light Bluish Gray

Plate 2 x 2

Part #: 3022 2× Blue

Tool Jackhammer /...

Part #: 30228 1× Dark Bluish Gray

Plate 1 x 2

Part #: 3023 16× White

Plate 1 x 2

Part #: 3023 1× Dark Bluish Gray

Brick Sloped 55° ...

Part #: 30249 6× Light Bluish Gray

Plate 4 x 4

Part #: 3031 8× Dark Bluish Gray

Plate 4 x 6

Part #: 3032 6× Dark Bluish Gray

Plate 2 x 8

Part #: 3034 10× Black

Plate 2 x 8

Part #: 3034 8× Dark Bluish Gray

Wedge Plate 6 x 1...

Part #: 30355 2× Dark Bluish Gray

Wedge Plate 6 x 1...

Part #: 30356 2× Dark Bluish Gray

Plate Round Corne...

Part #: 30357 2× Dark Bluish Gray

Cylinder 3 x 6 x ...

Part #: 30360 1× White

Brick Round 2 x 2...

Part #: 30367b 1× Red

Brick Round 2 x 2...

Part #: 30367b 7× Lime

Bar 4L (Lightsabe...

Part #: 30374 1× Black

Arm Mechanical wi...

Part #: 30377 2× Black

Hinge Brick 1 x 4...

Part #: 30387 2× Yellow

Brick Sloped 45° ...

Part #: 3039 3× Black

Brick Sloped 45° ...

Part #: 3039 1× Orange

Hook with Towball

Part #: 30395 1× Dark Bluish Gray

Hinge 1 x 2 Locki...

Part #: 30396 1× Yellow

Brick Sloped 45° ...

Part #: 3048c 2× Black

Brick Sloped 45° ...

Part #: 3049c 8× Black

Wedge Plate 4 x 4...

Part #: 30503 4× Dark Bluish Gray

Wedge Plate 4 x 4...

Part #: 30503 2× White

Wedge Plate 8 x 8...

Part #: 30504 8× Black

Hinge Brick 1 x 2...

Part #: 30540 16× Light Bluish Gray

Hinge Cylinder 1 ...

Part #: 30552 13× Light Bluish Gray

Hinge Cylinder 1 ...

Part #: 30553 1× Dark Bluish Gray

Hinge Cylinder 1 ...

Part #: 30554a 1× Black

Brick Curved 2 x ...

Part #: 30602 5× Blue

Brick Sloped 2 x ...

Part #: 30603 2× Black

Brick Round 1 x 1...

Part #: 3062b 12× Black

Brick Round 1 x 1...

Part #: 3062b 4× Lime

Steering Wheel Sm...

Part #: 30663 2× Light Bluish Gray

Tile 2 x 2 with G...

Part #: 3068b 2× Yellow

Tile 2 x 2 with G...

Part #: 3068b 12× Light Bluish Gray

Tile 1 x 1 with G...

Part #: 3070b 6× Trans-Red

Plate Special 3 x...

Part #: 3176 2× Dark Bluish Gray

Technic Brick 1 x...

Part #: 32000 5× Dark Bluish Gray

Technic Axle and ...

Part #: 32013 4× Dark Bluish Gray

Technic Axle and ...

Part #: 32015 6× Light Bluish Gray

Technic Axle and ...

Part #: 32016 4× Light Bluish Gray

Technic Brick 1 x...

Part #: 32018 20× Dark Bluish Gray

Technic Axle and ...

Part #: 32034 1× Red

Technic Axle Conn...

Part #: 32039 11× Black

Technic Pin Long ...

Part #: 32054 8× Black

Technic Gear Timi...

Part #: 32060 1× Light Bluish Gray

Technic Axle 2 No...

Part #: 32062 16× Red

Technic Brick 1 x...

Part #: 32064b 29× Black

Technic Knob Wheel

Part #: 32072 1× Yellow

Technic Beam 2 x ...

Part #: 32140 2× Black

Technic Axle and ...

Part #: 32192 26× Black

Technic Gear 12 T...

Part #: 32270 1× Light Bluish Gray

Technic Beam 1 x ...

Part #: 32316 1× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32316 2× Black

Technic Beam 1 x ...

Part #: 32523 5× Yellow

Technic Beam 1 x ...

Part #: 32524 2× Light Bluish Gray

Technic Pin Conne...

Part #: 32530 8× Dark Bluish Gray

Brick Sloped 33° ...

Part #: 3298 4× Dark Bluish Gray

Brick Sloped 33° ...

Part #: 3298 2× Black

Turntable 4 x 4 S...

Part #: 3403c01 1× Light Bluish Gray

Plate 1 x 8

Part #: 3460 2× Black

Plate 1 x 8

Part #: 3460 4× Yellow

Brick 1 x 3

Part #: 3622 42× Dark Bluish Gray

Plate 1 x 3

Part #: 3623 2× Light Bluish Gray

Plate 1 x 3

Part #: 3623 4× Yellow

Plate 1 x 3

Part #: 3623 8× Dark Bluish Gray

Brick Sloped Inve...

Part #: 3660 2× Light Bluish Gray

Brick Sloped Inve...

Part #: 3660 13× Dark Bluish Gray

Brick Sloped Inve...

Part #: 3665 4× Black

Plate 1 x 6

Part #: 3666 2× Orange

Plate 1 x 6

Part #: 3666 5× Dark Bluish Gray

Technic Pin witho...

Part #: 3673 5× Light Bluish Gray

Turntable 2 x 2 P...

Part #: 3679 4× Light Bluish Gray

Turntable 2 x 2 P...

Part #: 3680 4× Black

Brick Sloped 75° ...

Part #: 3684 4× Black

Technic Brick 1 x...

Part #: 3700 16× Yellow

Technic Brick 1 x...

Part #: 3700 1× White

Technic Axle 4

Part #: 3705 21× Black

Technic Axle 6

Part #: 3706 2× Black

Technic Axle 8

Part #: 3707 4× Black

Plate 1 x 4

Part #: 3710 4× Light Bluish Gray

Plate 1 x 4

Part #: 3710 2× Yellow

Technic Bush

Part #: 3713 6× Light Bluish Gray

Technic Axle 10

Part #: 3737 2× Black

Technic Plate 2 x...

Part #: 3738 1× Blue

Brick Sloped Inve...

Part #: 3747b 1× Black

Brick 1 x 6 x 5

Part #: 3754 4× Light Bluish Gray

Plate Special 1 x...

Part #: 3794a 20× Light Bluish Gray

Plate 2 x 6

Part #: 3795 9× Dark Bluish Gray

Plate 2 x 6

Part #: 3795 2× Black

Plate Special 1 x...

Part #: 3839b 3× Black

Technic Brick 1 x...

Part #: 3894 3× Black

Hinge Brick 1 x 2...

Part #: 3937 5× Light Bluish Gray

Support Round 2 x...

Part #: 3940b 2× Dark Bluish Gray

Brick Round 2 x 2...

Part #: 3941 2× Black

Brick Round 2 x 2...

Part #: 3941 2× Red

Brick Round 2 x 2...

Part #: 3941 3× Dark Bluish Gray

Bracket 2 x 2 - 2...

Part #: 3956 2× Black

Weapon Gun / Torc...

Part #: 3959 1× Dark Bluish Gray

Cable, Fiber Opti...

Part #: 40002c24 2× Trans-Clear

Support 1 x 1 x 5...

Part #: 40244 8× Black

Plate Round 2 x 2...

Part #: 4032a 1× Light Bluish Gray

Brick Special 1 x...

Part #: 4070 6× Yellow

Seat / Chair 2 x 2

Part #: 4079 8× Reddish Brown

Hinge Brick 2 x 2...

Part #: 40902 1× Light Bluish Gray

Tile Round 2 x 2 ...

Part #: 4150 10× White

Tile Round 2 x 2 ...

Part #: 4150 1× Black

Plate Special 8 x...

Part #: 4151b 4× Dark Bluish Gray

Hinge Cylinder 1 ...

Part #: 41532 10× Black

Tile 1 x 8 with G...

Part #: 4162 3× Light Bluish Gray

Technic Beam 1 x ...

Part #: 41677 1× Light Bluish Gray

Technic Axle and ...

Part #: 41678 1× Black

Brick Wedged, Cur...

Part #: 41747 2× White

Brick Wedged, Cur...

Part #: 41747 1× Blue

Brick Wedged, Cur...

Part #: 41748 2× White

Brick Wedged, Cur...

Part #: 41748 1× Blue

Brick Wedged, Cur...

Part #: 41764 1× Black

Brick Wedged, Cur...

Part #: 41765 1× Black

Brick Wedged, Ang...

Part #: 41767 1× Dark Bluish Gray

Brick Wedged, Ang...

Part #: 41768 1× Dark Bluish Gray

Mudguard 2 x 4 wi...

Part #: 41854 3× Medium Blue

Plate Special 2 x...

Part #: 41862 3× Medium Blue

Windscreen 6 x 4 ...

Part #: 41883 1× Trans-Brown

Brick Curved 6 x 1

Part #: 42022 2× Black

Brick Wedged, Cur...

Part #: 42060 1× Blue

Brick Wedged, Cur...

Part #: 42061 1× Blue

Technic Hub / Han...

Part #: 424 5× Black

Wheel 11 x 8 with...

Part #: 42610 1× Light Bluish Gray

Technic Pin 1/2 w...

Part #: 4274 24× Light Bluish Gray

Brick Sloped 33° ...

Part #: 4286 4× Dark Bluish Gray

Brick Sloped 33° ...

Part #: 4286 2× Blue

Technic Axle Pin ...

Part #: 43093 36× Blue

Tool Pipe Wrench ...

Part #: 4328 1× Light Bluish Gray

Equipment Weapon,...

Part #: 4349 2× Dark Bluish Gray

Equipment Camera ...

Part #: 4360 2× Black

Brick Wedged, Slo...

Part #: 43710 3× Black

Brick Wedged, Slo...

Part #: 43711 3× Black

Brick Wedged, Cur...

Part #: 43712 6× Medium Blue

Wedge Plate 3 x 2...

Part #: 43722 1× Light Bluish Gray

Wedge Plate 3 x 2...

Part #: 43723 1× Light Bluish Gray

Dish 3 x 3 Invert...

Part #: 43898 2× Black

Hinge Plate 1 x 2...

Part #: 44301a 2× Dark Bluish Gray

Hinge Plate 1 x 2...

Part #: 44302a 8× Light Bluish Gray

Hinge Plate 1 x 2...

Part #: 44567a 2× Yellow

Bracket 1 x 2 - 2...

Part #: 44728 13× Light Bluish Gray

Support 2 x 4 x 5...

Part #: 4476b 5× Dark Bluish Gray

Technic Axle 3

Part #: 4519 1× Light Bluish Gray

Brick Wedged, Cur...

Part #: 45301 16× Orange

Windscreen 10 x 6...

Part #: 45705 2× Trans-Brown

Brick Round 1 x 1...

Part #: 4588 9× Dark Bluish Gray

Cone 1 x 1 [No To...

Part #: 4589 19× Trans-Red

Cone 1 x 1 [No To...

Part #: 4589 1× Black

Cone 1 x 1 [No To...

Part #: 4589 8× Yellow

Cone 1 x 1 [No To...

Part #: 4589 5× Blue

Cone 1 x 1 [No To...

Part #: 4589 10× Trans-Neon Green

Cone 1 x 1 [No To...

Part #: 4589 1× Trans-Yellow

Tap 1 x 1 with Ho...

Part #: 4599a 2× Black

Plate Special 1 x...

Part #: 4623 4× Light Bluish Gray

Brick Special 1 x...

Part #: 4733 1× Black

Dish 2 x 2 Invert...

Part #: 4740 1× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 47406 2× Dark Bluish Gray

Technic Brick Spe...

Part #: 47432 4× Dark Bluish Gray

Technic Brick Spe...

Part #: 47452 6× Dark Bluish Gray

Technic Rotation ...

Part #: 47455 16× Black

Brick Wedged, Cur...

Part #: 47456 2× Blue

Large Figure Weap...

Part #: 47462 2× Blue

Brick Wedged, Cur...

Part #: 47753 2× Black

Brick Wedged, Slo...

Part #: 47757 7× Black

Brick Wedged, Slo...

Part #: 47759 2× Black

Rock Panel 2 x 4 x 6

Part #: 47847 2× Reddish Brown

Technic Brick Spe...

Part #: 48169 2× Dark Bluish Gray

Technic Brick Spe...

Part #: 48170 6× Dark Bluish Gray

Technic Brick Spe...

Part #: 48172 2× Black

Plate Special 1 x...

Part #: 48336 1× Black

Panel 1 x 2 x 2 [...

Part #: 4864b 4× Trans-Brown

Engine Smooth Lar...

Part #: 4868b 2× Light Bluish Gray

Bar 1L with Clip

Part #: 48729a 2× Dark Bluish Gray

Wheel Arch, Mudgu...

Part #: 50745 3× Yellow

Brick Curved 3 x ...

Part #: 50950 4× Black

Crane Section 4 x...

Part #: 52041 6× Orange

Brick Special 1 x...

Part #: 52107 1× Black

Engine, Very Larg...

Part #: 53983pat0001 1× Black

Torso/Head Mechan...

Part #: 53988 1× Pearl Light Gray

Arm Mechanical wi...

Part #: 53989 17× Pearl Light Gray

Launcher 2 x 3 x ...

Part #: 53990 2× Trans-Brown

Projectile, Weapo...

Part #: 53993pat0001 10× Lime

Projectile, Weapo...

Part #: 53993pat0001 10× Red

Brick Sloped 30° ...

Part #: 54200 2× White

Light Brick 2 x 4...

Part #: 54605 2× Trans-Clear

Tool Hammer Cross...

Part #: 55295 1× Black

Tool Oil Can [Smo...

Part #: 55296 1× Black

Tool Drill, Electric

Part #: 55297 1× Black

Tool Screwdriver ...

Part #: 55298 1× Black

Tool Wrench / Spa...

Part #: 55299 1× Black

Tool Wrench / Spa...

Part #: 55300 1× Black

Support 31 x 13 G...

Part #: 55767 2× Orange

Technic Axle 5.5 ...

Part #: 59426 7× Dark Bluish Gray

Plate Special 1 x...

Part #: 6019 2× White

Plate Special 1 x...

Part #: 6019 8× Black

Bar 7 x 3 with Do...

Part #: 6020 4× Light Bluish Gray

Brick 1 x 10

Part #: 6111 10× Dark Bluish Gray

Sports Ski with H...

Part #: 6120 2× White

Hinge Brick 2 x 2...

Part #: 6134 1× Light Bluish Gray

Hinge Brick 2 x 2...

Part #: 6134 5× Black

Bar 1 x 6 [Closed...

Part #: 6140 2× White

Plate Round 1 x 1...

Part #: 6141 10× Trans-Red

Plate Round 1 x 1...

Part #: 6141 15× Trans-Neon Green

Plate Special 4 x...

Part #: 6180 1× Black

Bar 1 x 4 x 2

Part #: 6187 8× Black

Brick Special 2 x...

Part #: 6232 4× Light Bluish Gray

Technic Axle and ...

Part #: 6536 1× Black

Technic Axle Conn...

Part #: 6538b 10× Light Bluish Gray

Technic Brick 1 x...

Part #: 6541 17× Dark Bluish Gray

Technic Pin Long ...

Part #: 6558 15× Black

Technic Axle 3 wi...

Part #: 6587 5× Dark Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 2× Black

Tile 1 x 6 with G...

Part #: 6636 25× Tan

Hose, Ribbed 7mm ...

Part #: 78c24 1× Pearl Light Gray

🧱 Sticker Sheet for...

Part #: 56746 1× [No Color/Any Color]

The set offers a good selection of Technic pieces and dark bluish gray bricks, useful for MOC builders looking to create mecha-themed structures. The inclusion of light-up elements adds a unique feature not commonly found in modern sets.