How many pieces are in the Mobile Defense Tank?

Mobile Defense Tank contains 365 pieces.

When was the Mobile Defense Tank released?

Mobile Defense Tank was released in 2006.

🏛 Exo-Force

Set #7706

Mobile Defense Tank

Mobile Defense Tank is a standout gem from the golden era of LEGO's mecha-meets-sci-fi theme.

Before you buy

Who it's for: Intermediate build Perfect for nostalgic fans of 2000s LEGO themes and mecha enthusiasts
Build: 365 pieces · about 2.5 hours Build time is an estimate.
Price: $29.99 list price · 8.2¢ per piece
Availability: Likely retired

★★★☆☆ 3.8 community rating from 62 ratings

Fans love the striking orange color scheme and nostalgic mecha appeal, though some note the build relies heavily on standard Technic framing.

$29.99

Best Price

$26.99

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📝 Our Take

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

Mobile Defense Tank is a standout gem from the golden era of LEGO's mecha-meets-sci-fi theme. Packed with 365 pieces, this 2006 Exo-Force release brings incredible mechanical detail and unique play features that defined the line's distinct anime-inspired aesthetic.

This set is perfect for nostalgic Exo-Force fans and vintage sci-fi collectors. The build features a rewarding mix of Technic mechanisms and system bricks, offering a satisfying middle-tier challenge that looks fantastic on display.

Skip this if you are hunting for modern building techniques or mint-condition sealed bargains. As a retired set commanding nearly $200 on the secondary market, casual builders might find the price tag a bit steep compared to newer releases.

✨ New

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What makes the Exo-Force theme so collectable today? How does the Mobile Defense Tank's disc-launching mechanism work? Is the current secondary market price of around $195 justified for 365 pieces? What are the best alternative sets for fans of classic LEGO mecha and tanks?

🧱 Building Experience

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

🧩

365

Pieces

⏱

2.5h

Estimated Build Time

📊

Intermediate

Difficulty

Build Highlights:

Incorporates Technic pins and axles for a sturdy, poseable chassis
Features unique Lime Projectile Weapon Discs for launch play features
Utilizes striking Orange curved wedge plates for distinct armor plating
Integrates spiral staircase axles and specialized connector bricks

📈 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

Exo-Force holds a passionate, nostalgic place in the hearts of mid-2000s LEGO collectors, making sets like the Mobile Defense Tank strong historical performers. With a current secondary market value hovering around $194—well above its original $29.99 MSRP—it demonstrates consistent upward momentum due to limited availability and dedicated theme fandom. While it may not carry the mainstream liquidity of Star Wars or Harry Potter, niche mecha themes from this era have seen a steady appreciation curve. Complete sets with good box and instruction conditions continue to attract adult collectors willing to pay a premium for childhood memories, making it a solid, stable hold for vintage portfolio diversification.

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

⚖ Compare Similar Sets

Compared to other mid-sized Exo-Force sets like the Sentai Mountain Fortress or Stealth Hunter, the Mobile Defense Tank offers a uniquely bulky, ground-based combat profile. While smaller mechs focused heavily on bipedal action, this set leans into heavy-duty track-and-wheel mobility, making it a distinct centerpiece for any classic sci-fi collection.

2 Minifigures Included

Includes classic Exo-Force pilot figures featuring distinct anime-inspired hair molds and printed torso armor that capture the mid-2000s robotic combat aesthetic.

📦 Parts Inventory

Official piece count: 365
Parts cataloged in this inventory: 81 unique parts, 357 pieces
Minifigures: 2

The official piece count includes the 8 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.

Tile Special 1 x ...

Part #: 2412b 3× White

Tile 1 x 4 with G...

Part #: 2431 2× Dark Bluish Gray

Tile 1 x 4 with G...

Part #: 2431 1× White

Plate Special 2 x...

Part #: 2476a 1× White

Plate Special 1 x...

Part #: 2540 1× Orange

Technic Pin with ...

Part #: 2780 35× Black

Brick 1 x 6

Part #: 3009 1× White

Plate 2 x 3

Part #: 3021 2× Orange

Plate 2 x 3

Part #: 3021 1× White

Plate 2 x 2

Part #: 3022 1× White

Plate 1 x 2

Part #: 3023 9× Light Bluish Gray

Plate 4 x 6

Part #: 3032 1× Dark Bluish Gray

Cylinder 3 x 6 x ...

Part #: 30360 1× White

Brick Round 2 x 2...

Part #: 30367b 2× White

Bar 4L (Lightsabe...

Part #: 30374 1× Trans-Red

Hinge Plate 1 x 2...

Part #: 30383 2× White

Brick Sloped 45° ...

Part #: 3040b 4× Orange

Brick Sloped 45° ...

Part #: 3040b 2× White

Windscreen 8 x 4 ...

Part #: 30536 1× Trans-Brown

Technic Brick 1 x...

Part #: 32000 7× White

Technic Plate 2 x...

Part #: 32001 2× Light Bluish Gray

Technic Axle and ...

Part #: 32013 2× Black

Technic Axle and ...

Part #: 32014 4× Black

Technic Pin Long ...

Part #: 32054 4× Black

Technic Axle 2 No...

Part #: 32062 6× Red

Technic Brick 1 x...

Part #: 32064c 8× Light Bluish Gray

Technic Bush 1/2 ...

Part #: 32123b 12× Light Bluish Gray

Technic Beam 2 x ...

Part #: 32140 8× Dark Bluish Gray

Technic Axle Conn...

Part #: 32174 3× Light Bluish Gray

Technic Axle and ...

Part #: 32184 4× Black

Technic Beam 1 x ...

Part #: 32271 4× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32278 2× Light Bluish Gray

Technic Axle and ...

Part #: 32291 12× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 32523 1× Black

Technic Beam 1 x ...

Part #: 32523 1× Dark Bluish Gray

Technic Pin Conne...

Part #: 32530 2× Dark Bluish Gray

Technic Brick 6 x...

Part #: 32532 1× Light Bluish Gray

Brick Sloped 33° ...

Part #: 3298 2× Orange

Plate 1 x 8

Part #: 3460 2× Dark Bluish Gray

Brick Sloped Inve...

Part #: 3660 2× Light Bluish Gray

Technic Axle 4

Part #: 3705 5× Black

Technic Axle 6

Part #: 3706 1× Black

Technic Plate 2 x...

Part #: 3709 4× Dark Bluish Gray

Technic Bush

Part #: 3713 4× Light Bluish Gray

Brick Sloped Inve...

Part #: 3747b 4× Light Bluish Gray

Brick Sloped Inve...

Part #: 3747b 2× Orange

Plate 2 x 6

Part #: 3795 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 3839b 1× White

Technic Brick 1 x...

Part #: 3894 2× Orange

Brick Round 2 x 2...

Part #: 3941 2× White

Brick Round 2 x 2...

Part #: 3941 1× Orange

Bracket 2 x 2 - 2...

Part #: 3956 2× Light Bluish Gray

Support 1 x 1 x 5...

Part #: 40244 10× Black

Plate Round 2 x 2...

Part #: 4032a 4× Black

Technic Beam 1 x ...

Part #: 40490 4× Light Bluish Gray

Bar 6.6L with Sto...

Part #: 4095 2× Black

Tile Round 2 x 2 ...

Part #: 4150 4× White

Plate Special 8 x...

Part #: 4151b 2× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 41749 2× Orange

Brick Wedged, Cur...

Part #: 41750 2× Orange

Technic Wedge Bel...

Part #: 4185 2× Orange

Brick Curved 2 x ...

Part #: 41855 2× White

Technic Pin 1/2 w...

Part #: 4274 4× Light Bluish Gray

Technic Axle Pin ...

Part #: 43093 19× Blue

Brick Wedged, Cur...

Part #: 43712 8× Orange

Technic Rotation ...

Part #: 44224 4× Dark Bluish Gray

Technic Rotation ...

Part #: 44225 4× Light Bluish Gray

Bracket 1 x 2 - 2...

Part #: 44728 1× Light Bluish Gray

Technic Axle 3

Part #: 4519 4× Light Bluish Gray

Cone 1 x 1 [No To...

Part #: 4589 10× Blue

Technic Beam 1 x ...

Part #: 50923 3× Dark Bluish Gray

Launcher 2 x 3 x ...

Part #: 53990 1× Trans-Brown

Technic Tread Lar...

Part #: 53992 4× Black

Projectile, Weapo...

Part #: 53993pat0001 10× Lime

Brick Curved 8 x ...

Part #: 54095 2× Orange

Light Brick 2 x 4...

Part #: 54605 1× Trans-Clear

Sticker Sheet for...

Part #: 55762 1× [No Color/Any Color]

Wheel 30.4 x 20 w...

Part #: 56145 12× Black

Technic Axle 5.5 ...

Part #: 59426 8× Dark Bluish Gray

Brick 1 x 10

Part #: 6111 1× Orange

Wave / Flame Roun...

Part #: 6126a 2× Trans-Neon Orange

Brick Special 2 x...

Part #: 6232 1× Light Bluish Gray

Technic Axle Conn...

Part #: 6538b 1× Black

Technic Pin Long ...

Part #: 6558 18× Black

Technic Axle 3 wi...

Part #: 6587 12× Dark Bluish Gray

Technic Beam 1 x ...

Part #: 6632 2× Dark Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 1× White

A fantastic parts pack for orange curved armor wedges, lime weapon discs, and various Technic connection elements ideal for custom mech builders.

🛒 Where to Buy

eBay

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Target

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$29.99

💎 Notable Parts

Orange Brick Wedged, Curved 6 x 4 Triple (8x) $16.00

Lime Projectile, Weapon Disc 2 x 2 with Marbled Yellow Pattern (10x) $7.50

Black Support 1 x 1 x 5 1/3 Spiral Staircase Axle (10x) $5.00

Black Wheel 30.4 x 20 without Pinholes, with Reinforced Rim (12x) $9.00

Est. BrickLink Part Value

$37.50

💡 MOC Potential

🤖 Custom futuristic mecha and heavy armored patrol walkers

🚗 Post-apocalyptic all-terrain scout buggies and mining transports

🏛 Industrial sci-fi base fortifications and defensive gate structures

Community Insights

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📖 Building Instructions 2

BUILDING INSTRUCTION,IN29-7706

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BUILDING INSTRUCTION,NA39-7706

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Inventory Statistics

Unique Parts

365

Official Piece Count

357

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 8 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 2

Missing a piece? Use the Missing Piece Checker.