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Mobile Defense Tank

7706-1·LEGO·2006·2 minifigs·81 parts

Used Avg

$59.53

New Avg

$92.38

Add to your inventory Scan the minifigs

About Mobile Defense Tank

Mobile Defense Tank (7706-1) is a LEGO LEGO set released in 2006, currently averaging $59.53 used on BrickLink. It comes with 2 minifigures worth a combined $11.78. The set has retired from retail, so secondary market is the only option. The full parts inventory runs 81 pieces.

Part-out value

The minifigures make up only 20% of this set's value ($11.78 out of $59.53). The bulk of the value is in the parts or the set being complete. Sell it as a complete set if possible.

Seller notes

Sealed copies sell for $92.38 vs $59.53 used — a 55% premium. If you have this set new in sealed box (NISB), price it accordingly.
This is a vintage set (2006). Condition of the box and instructions significantly affects value. A complete set with original box and instructions can sell for well above the average.

Minifigures in Mobile Defense Tank (2)

Parts (81)

Tile, Modified 1 x 2 Grille with Bottom Groove

×3

Tile 1 x 4

×2

Plate, Modified 2 x 2 with Pin on Bottom

Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends

Technic, Pin with Short Friction Ridges

Brick 2 x 2

Brick 1 x 6

Plate 2 x 3

×2

Plate 1 x 2

×9

Plate 4 x 6

Cylinder 3 x 6 x 2 2/3 Horizontal - Round Connections Between Interior Studs

Bar 4L (Lightsaber Blade / Wand)

Hinge Plate 1 x 2 Locking with 1 Finger on Top

×2

Slope 45 2 x 1

×4

Windscreen 8 x 4 x 2 Curved Taper with Locking Dual 2 Fingers

Technic, Brick 1 x 2 with Holes

×7

Technic, Plate 2 x 6 with 5 Holes

×2

Technic, Axle and Pin Connector Angled #1

×2

Technic, Axle and Pin Connector Angled #6 - 90 degrees

×4

Technic, Pin 3L with Friction Ridges and Stop Bush

×4

Technic, Axle 2L Notched

×6

Technic, Brick 1 x 2 with Axle Hole and Inside Side Supports

×8

Technic, Liftarm, Modified Bent Thick L-Shape 2 x 4

×8

Technic, Axle Connector 2 x 3 with Ball Joint Socket - Open Sides, Angled Forks with Closed Axle Holes

×3

Technic, Axle 5.5L with Stop

×8

Technic, Liftarm, Modified Bent Thick 1 x 9 (7 - 3)

×4

Technic, Liftarm Thick 1 x 15

×2

Technic, Axle and Pin Connector Perpendicular Double

×12

Technic, Liftarm Thick 1 x 3

Technic, Pin Connector Plate 1 x 2 x 1 2/3 with 2 Holes on Top

×2

Technic, Brick 6 x 8 Open Center

Slope 33 3 x 2

×2

Slope, Inverted 45 2 x 2 with Flat Bottom Pin

×2

Technic, Axle 4L

×5

Technic, Axle 6L

Technic, Axle 12L

×2

Technic, Plate 2 x 4 with 3 Holes

×5

Technic Bush

×5

Slope, Inverted 33 3 x 2 with Flat Bottom Pin without Connections between Studs

×2

Slope, Inverted 33 3 x 2 with Flat Bottom Pin without Connections between Studs

×2

Plate 2 x 6

Technic, Brick 1 x 6 with Holes

×2

Brick, Round 2 x 2 with Axle Hole

×2

Brick, Round 2 x 2 with Axle Hole

Bracket 2 x 2 - 2 x 2 with 2 Holes

×2

Support 1 x 1 x 5 1/3 Spiral Staircase Axle

×10

Plate, Round 2 x 2 with Axle Hole

×4

Technic, Liftarm Thick 1 x 9

×4

Bar 6.6L with Stop Ring (Patio Umbrella Stand)

×2

Tile, Round 2 x 2

×4

Plate, Modified 8 x 8 with Grille

×2

Wedge 8 x 3 x 2 Open Right

×2

Wedge 8 x 3 x 2 Open Left

×2

Technic Wedge Belt Wheel (Pulley)

×2

Slope, Curved 2 x 2 x 2/3 with 2 Studs and Curved Sides, Lip End

×2

Technic Bush 1/2 Smooth

×13

Technic, Pin 1/2 without Friction Ridges

×5

Technic, Axle 1L with Pin with Friction Ridges

×19

Wedge 6 x 4 Triple Curved

×8

Technic Rotation Joint Disk with Large Pin Hole and 3L Liftarm Thick

×4

Technic Rotation Joint Disk with Large Pin and 3L Liftarm Thick

×4

Bracket 1 x 2 - 2 x 2

Technic, Axle 3L

×4

Cone 1 x 1

×10

Technic, Liftarm, Modified Ball Joint Angled 1 x 2

×3

Projectile Launcher, 2 x 3 x 4 2/3 Disk 2 x 2

Projectile Disk 2 x 2 with Marbled Yellow Pattern

×10

Slope, Curved 8 x 8 x 2 Double

×2

Electric, Light Brick 2 x 4 with Red LED

Brick, Round 2 x 2 Dome Top

×2

Wheel 30.4mm D. x 20mm with No Pin Holes and Reinforced Rim

×12

Brick 1 x 10

Wave Rounded Straight with Bar End and Small Pins (Castle Dragon Flame / Seaweed / Water)

×2

Technic, Axle Connector 2L (Ridged with x Hole x Orientation)

×5

Technic, Pin 3L with Friction Ridges

×14

Technic, Axle 3L with Stud

×12

Technic, Liftarm Thin 1 x 3 - Axle Holes

×2

Tile 1 x 6

Sticker Sheet for Set 7706 - (55762/4292303)

Tread with 36 Treads Large, Non-Technic

×4

Common questions about Mobile Defense Tank

How much is LEGO Mobile Defense Tank (7706-1) worth?

Mobile Defense Tank sells for an average of $59.53 used and $92.38 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

What minifigures come in LEGO set 7706-1?

This set includes 2 minifigures: Gate Guard ($9.70), Ryo ($2.08). The minifigures have a combined BrickLink value of $11.78. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO Mobile Defense Tank?

The minifigures make up about 20% of the set value ($11.78 out of $59.53). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.

Is LEGO Mobile Defense Tank (7706-1) retired?

Yes, Mobile Defense Tank was released in 2006 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my Mobile Defense Tank set is complete?

Use the parts list on this page to check every piece and all 2 minifigures. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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