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LEGO Combat Crawler X2 set 7721

🏛 Exo-Force

Set #7721

Combat Crawler X2

Discover the Combat Crawler X2 from the Exo-Force collection - 581 pieces of building excellence.

⏱ 4-8 hr 🧩 581 pcs

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3 Minifigures Included

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📦 Full Parts Inventory - 136 unique parts • 528 total pieces

Tile Special 1 x 2 Grille with Bottom Groove

Tile Special 1 x ...

Part #: 2412b 2× Light Bluish Gray

Tile Special 1 x 2 Grille with Bottom Groove

Tile Special 1 x ...

Part #: 2412b 3× Black

Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]

Plate Special 2 x...

Part #: 2444 7× Dark Bluish Gray

Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]

Plate Special 2 x...

Part #: 2444 1× Black

Part #: 2445 2× Dark Bluish Gray

Part #: 2456 2× Black

Brick Special 1 x 2 with Pin

Brick Special 1 x...

Part #: 2458 8× Dark Bluish Gray

Plate Special 1 x 2 Side Handle [Free Ends]

Plate Special 1 x...

Part #: 2540 3× Yellow

Plate Special 1 x 2 Side Handle [Free Ends]

Plate Special 1 x...

Part #: 2540 4× Black

Technic Disc 3 x 3

Technic Disc 3 x 3

Part #: 2723 2× Black

Technic Pin with Friction Ridges Lengthwise and Center Slots

Technic Pin with ...

Part #: 2780 5× Black

Technic Beam 1 x 4 Thin with Stud Connector

Technic Beam 1 x ...

Part #: 2825 4× Black

Lever Small Base with Black Lever

Lever Small Base ...

Part #: 298c02 1× Yellow

Technic Brick 1 x 2 - 1 x 2 Angled with Bumper Holder [Closed Front]

Technic Brick 1 x...

Part #: 2991 4× Dark Bluish Gray

Part #: 3001 2× Black

Part #: 30031 1× Light Bluish Gray

Part #: 3004 1× Dark Bluish Gray

Part #: 3004 3× Black

Part #: 3005 4× Black

Fence Spindled 1 x 4 x 2 [2 Top Studs]

Fence Spindled 1 ...

Part #: 30055 3× Dark Bluish Gray

Part #: 3009 1× Light Bluish Gray

Part #: 3020 2× Light Bluish Gray

Part #: 3021 2× Red

Part #: 3022 6× Dark Bluish Gray

Part #: 3022 1× Red

Part #: 3022 4× Light Bluish Gray

Part #: 3022 2× Black

Part #: 3023 2× Black

Part #: 3023 7× Yellow

Part #: 3023 9× Light Bluish Gray

Part #: 3024 2× Trans-Red

Part #: 3031 2× Dark Bluish Gray

Part #: 3031 1× Black

Part #: 3034 4× Dark Bluish Gray

Part #: 3035 4× Black

Arm Mechanical with 2 Clips [Battle Droid]

Arm Mechanical wi...

Part #: 30377 1× Light Bluish Gray

Slope 45° 2 x 3

Slope 45° 2 x 3

Part #: 3038 2× Black

Slope 45° 2 x 2

Slope 45° 2 x 2

Part #: 3039 1× Yellow

Slope 45° 2 x 2

Slope 45° 2 x 2

Part #: 3039 1× Dark Bluish Gray

Technic Link 1 x 5

Technic Link 1 x 5

Part #: 30397 4× Black

Hinge Plate 1 x 8 Locking with Angled Side Extensions, Rounded Plate Underside, 9 Teeth

Hinge Plate 1 x 8...

Part #: 30407 2× Yellow

Brick Special 1 x 4 with 4 Studs on One Side

Brick Special 1 x...

Part #: 30414 2× Black

Slope 45° 2 x 1 Triple Smooth

Slope 45° 2 x 1 T...

Part #: 3048b 2× Black

Turntable 4 x 4 Locking Grooved Base

Turntable 4 x 4 L...

Part #: 30516 1× Light Bluish Gray

Brick Special 1 x 2 with 2 Pins, Round Pin Holes

Brick Special 1 x...

Part #: 30526 5× Light Bluish Gray

Brick Round 1 x 1 Open Stud

Brick Round 1 x 1...

Part #: 3062b 2× Light Bluish Gray

Turntable 4 x 4 Top, Locking

Turntable 4 x 4 T...

Part #: 30658 1× Black

Tile 2 x 2 with Groove

Tile 2 x 2 with G...

Part #: 3068b 1× Black

Tile 2 x 2 with Groove

Tile 2 x 2 with G...

Part #: 3068b 1× Dark Bluish Gray

Tile 1 x 2 with Engraved Code for Exo-Force

Tile 1 x 2 with E...

Part #: 3069bpr0073 1× Yellow

Technic Brick 1 x 2 [2 Pin Holes]

Technic Brick 1 x...

Part #: 32000 1× Red

Technic Plate 2 x 6 [5 Holes]

Technic Plate 2 x...

Part #: 32001 2× Yellow

Technic Beam 1 x 11.5 Double Bent Thick

Technic Beam 1 x ...

Part #: 32009 2× Dark Bluish Gray

Technic Beam 1 x 11.5 Double Bent Thick

Technic Beam 1 x ...

Part #: 32009 4× Light Bluish Gray

Technic Axle and Pin Connector Angled #1

Technic Axle and ...

Part #: 32013 16× Dark Bluish Gray

Technic Axle and Pin Connector Angled #5 - 112.5°

Technic Axle and ...

Part #: 32015 4× Black

Technic Brick 1 x 14 [13 Pin Holes]

Technic Brick 1 x...

Part #: 32018 6× Black

Technic Axle Connector with Axle Hole

Technic Axle Conn...

Part #: 32039 1× Light Bluish Gray

Technic Axle Connector with Axle Hole

Technic Axle Conn...

Part #: 32039 2× Black

Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]

Technic Pin Long ...

Part #: 32054 6× Red

Technic Axle 2 Notched

Technic Axle 2 No...

Part #: 32062 8× Red

Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening]

Technic Brick 1 x...

Part #: 32064b 8× Black

Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening]

Technic Brick 1 x...

Part #: 32064b 1× Yellow

Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening]

Technic Brick 1 x...

Part #: 32064b 7× Dark Bluish Gray

Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Technic Bush 1/2 ...

Part #: 32123b 2× Light Bluish Gray

Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole

Technic Axle and ...

Part #: 32184 1× Black

Technic Driving Ring Extension, 4 Ridges

Technic Driving R...

Part #: 32187 8× Light Bluish Gray

Technic Beam 1 x 9 Bent (7 - 3) Thick

Technic Beam 1 x ...

Part #: 32271 2× Red

Technic Axle and Pin Connector Perpendicular Double

Technic Axle and ...

Part #: 32291 1× Black

Technic Beam 1 x 5 Thick

Technic Beam 1 x ...

Part #: 32316 6× Black

Technic Beam 1 x 7 Bent (4 - 4) Thick

Technic Beam 1 x ...

Part #: 32348 1× Light Bluish Gray

Brick 1 x 2 x 2 with Inside Axle Holder

Brick 1 x 2 x 2 w...

Part #: 3245b 2× Dark Bluish Gray

Technic Beam 1 x 3 Thick

Technic Beam 1 x ...

Part #: 32523 3× Yellow

Technic Beam 1 x 7 Thick

Technic Beam 1 x ...

Part #: 32524 2× Black

Technic Beam 1 x 11 Thick

Technic Beam 1 x ...

Part #: 32525 6× Light Bluish Gray

Technic Beam 3 x 5 L-Shape Thick

Technic Beam 3 x ...

Part #: 32526 2× Light Bluish Gray

Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top]

Technic Pin Conne...

Part #: 32530 4× Dark Bluish Gray

Technic Brick 6 x 8 with 4 x 6 Opening

Technic Brick 6 x...

Part #: 32532 2× Black

Large Figure Weapon, Claw Hook with Axle

Large Figure Weap...

Part #: 32551 12× Light Bluish Gray

Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside

Brick Arch 1 x 6 ...

Part #: 3307 2× Black

Part #: 3460 2× Dark Bluish Gray

Part #: 3622 4× Light Bluish Gray

Part #: 3623 4× Red

Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]

Slope Inverted 45...

Part #: 3660 1× Dark Bluish Gray

Slope Inverted 45° 2 x 1

Slope Inverted 45...

Part #: 3665 2× Dark Bluish Gray

Slope 75° 2 x 2 x 3 [Hollow Studs]

Slope 75° 2 x 2 x...

Part #: 3684 1× Black

Technic Brick 1 x 2 [1 Pin Hole]

Technic Brick 1 x...

Part #: 3700 8× Light Bluish Gray

Technic Brick 1 x 4 [3 Pin Holes]

Technic Brick 1 x...

Part #: 3701 2× Dark Bluish Gray

Part #: 3705 5× Black

Part #: 3706 1× Black

Technic Plate 2 x 4 [3 Holes]

Technic Plate 2 x...

Part #: 3709 8× Dark Bluish Gray

Technic Plate 2 x 4 [3 Holes]

Technic Plate 2 x...

Part #: 3709 6× Black

Part #: 3710 2× Black

Part #: 3710 1× White

Part #: 3713 10× Red

Technic Axle 10

Technic Axle 10

Part #: 3737 2× Black

Technic Plate 2 x 8 [7 Holes]

Technic Plate 2 x...

Part #: 3738 2× Black

Technic Axle Pin without Friction Ridges Lengthwise

Technic Axle Pin ...

Part #: 3749 4× Tan

Part #: 3795 1× Dark Bluish Gray

Part #: 3795 1× Light Bluish Gray

Part #: 3832 2× Light Bluish Gray

Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]

Plate Special 1 x...

Part #: 3839b 2× Black

Technic Brick 1 x 6 [5 Pin Holes]

Technic Brick 1 x...

Part #: 3894 2× Black

Brick Round 2 x 2 with Axle Hole

Brick Round 2 x 2...

Part #: 3941 2× Yellow

Antenna 1 x 4 with Rounded Top

Antenna 1 x 4 wit...

Part #: 3957a 2× Black

Part #: 3958 1× Dark Bluish Gray

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Plate Round 2 x 2...

Part #: 4032a 1× Red

Brick Special 1 x 1 with Headlight

Brick Special 1 x...

Part #: 4070 2× Red

Wedge Curved 6 x 2 Right, Inner Ridges

Wedge Curved 6 x ...

Part #: 41747 1× White

Wedge Curved 6 x 2 Left, Inner Ridges

Wedge Curved 6 x ...

Part #: 41748 1× White

Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes

Technic Axle and ...

Part #: 42003 4× Dark Bluish Gray

Technic Pin 1/2

Technic Pin 1/2

Part #: 4274 1× Light Bluish Gray

Technic Axle Pin with Friction Ridges Lengthwise

Technic Axle Pin ...

Part #: 43093 9× Blue

Technic Rotation Joint Disk with Pin Hole and 3L Beam Thick

Technic Rotation ...

Part #: 44224 2× Dark Bluish Gray

Technic Rotation Joint Disk with Pin and 3L Beam Thick

Technic Rotation ...

Part #: 44225 2× Light Bluish Gray

Slope 45° 2 x 8

Slope 45° 2 x 8

Part #: 4445 2× Black

Hinge Plate 1 x 4 Locking Dual 1 Finger

Hinge Plate 1 x 4...

Part #: 44568 4× Light Bluish Gray

Hinge Panel 2 x 4 x 3 1/3 Locking Dual 2 Fingers

Hinge Panel 2 x 4...

Part #: 44572 4× Black

Part #: 4477 2× Black

Part #: 4519 4× Light Bluish Gray

Tool Hammer / Mallet Large

Tool Hammer / Mal...

Part #: 4522 1× Black

Wedge Curved 16 x 4 Triple with Inner Ridges

Wedge Curved 16 x...

Part #: 45301 6× Black

Brick Round 1 x 1 with Fins, Open Stud

Brick Round 1 x 1...

Part #: 4588 6× Dark Bluish Gray

Cone 1 x 1 [No Top Groove]

Cone 1 x 1 [No To...

Part #: 4589 6× Trans-Neon Green

Plate Special 1 x 4 Offset with Bar Holes

Plate Special 1 x...

Part #: 4590 1× Dark Bluish Gray

Tap 1 x 1 with Hole in Spout

Tap 1 x 1 with Ho...

Part #: 4599a 4× Light Bluish Gray

Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction

Technic Rotation ...

Part #: 47455 4× Black

Wedge Curved 4 x 4 No Top Studs

Wedge Curved 4 x ...

Part #: 47753 6× Yellow

Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Socket

Technic Brick Spe...

Part #: 48169 2× Dark Bluish Gray

Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Vertical Side]

Technic Brick Spe...

Part #: 48171 4× Dark Bluish Gray

Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets

Technic Brick Spe...

Part #: 48172 1× Black

Plate Special 1 x 2 [Side Handle Closed Ends]

Plate Special 1 x...

Part #: 48336 1× Black

Crane Section 4 x 12 x 3 with 8 Pin Holes

Crane Section 4 x...

Part #: 52041 1× Black

Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small

Animal Body Part,...

Part #: 53451 10× Red

Technic Axle and Pin Connector, Perpendicular with Extension

Technic Axle and ...

Part #: 53586 1× Pearl Light Gray

Arm Mechanical with Clip [Thin Support]

Arm Mechanical wi...

Part #: 53989 6× Pearl Light Gray

Technic Axle 8 with Stop

Technic Axle 8 wi...

Part #: 55013 2× Black

Projectile, Technic Competition Arrow, Liftarm Shaft with Hollow Black Rubber End

Projectile, Techn...

Part #: 57028c01 3× Red

Large Figure Weapon Claw Blade, Small

Large Figure Weap...

Part #: 57528 2× Red

Launcher, Technic Competition Cannon Flat Bottom [Complete Assembly]

Launcher, Technic...

Part #: 57796 2× Dark Bluish Gray

Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention]

Technic Brick Spe...

Part #: 57908 1× Dark Bluish Gray

Technic Brick Modified 2 x 2 with Solid Ball and Axle Hole

Technic Brick Mod...

Part #: 57909a 2× Dark Bluish Gray

Technic Axle 5.5 with Stop [Rounded Short End]

Technic Axle 5.5 ...

Part #: 59426 2× Dark Bluish Gray

Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]

Plate Special 1 x...

Part #: 6019 2× Light Bluish Gray

Windscreen 5 x 2 x 1 2/3

Windscreen 5 x 2 ...

Part #: 6070 1× Trans-Brown

Windscreen 5 x 2 x 1 2/3

Windscreen 5 x 2 ...

Part #: 6070 1× Black

Wave / Flame Rounded with Base Pegs

Wave / Flame Roun...

Part #: 6126a 2× Trans-Neon Orange

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1...

Part #: 6141 2× Trans-Red

Technic Brick Special 2 x 2 with Ball Socket Reinforced and Axle Hole

Technic Brick Spe...

Part #: 62712 4× Dark Bluish Gray

Technic Axle and Pin Connector Perpendicular

Technic Axle and ...

Part #: 6536 3× Black

Technic Axle Connector Ridged [with x Hole x Orientation]

Technic Axle Conn...

Part #: 6538b 2× Red

Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots

Technic Pin Long ...

Part #: 6558 46× Black

Technic Axle 3 with Stud

Technic Axle 3 wi...

Part #: 6587 8× Dark Bluish Gray

Tile 1 x 6 with Groove

Tile 1 x 6 with G...

Part #: 6636 1× Red

Hose, Ribbed 7mm D. 11L / 8.8cm

Hose, Ribbed 7mm ...

Part #: 78c11 2× Pearl Light Gray

🧱 Sticker Sheet for...

Part #: 60491 1× [No Color/Any Color]

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Inventory Statistics

136

Unique Parts

528

Total Pieces

3

Minifigures

Inventory Version: 1