Combat Crawler X2 (7721-1) is a Exo-Force LEGO set released in 2007 with 581 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 3 minifigures and 156 unique part types.
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Building instructions
2 official booklets — read on BrickID
Book 1 of 2 Book 2 of 2
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Minifigures in Combat Crawler X2
Parts in this set
156 parts · page 1 of 4 · updating…
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Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small53451 · ×10 · Red -
Antenna 1 x 4 with Rounded Top3957a · ×2 · Black -
![Arm Mechanical with 2 Clips [Battle Droid]](https://cdn.rebrickable.com/media/parts/elements/4211658.jpg)
Arm Mechanical with 2 Clips [Battle Droid]30377 · ×1 · Light Bluish Gray -
![Arm Mechanical with Clip [Thin Support]](https://cdn.rebrickable.com/media/parts/elements/4494600.jpg)
Arm Mechanical with Clip [Thin Support]53989 · ×6 · Pearl Light Gray -
Brick 1 x 13005 · ×4 · Black -
Brick 1 x 23004 · ×3 · Black -
Brick 1 x 23004 · ×1 · Dark Bluish Gray -
Brick 1 x 2 x 2 with Inside Axle Holder3245b · ×2 · Dark Bluish Gray -
Brick 1 x 33622 · ×4 · Light Bluish Gray -
Brick 1 x 63009 · ×1 · Light Bluish Gray -
Brick 2 x 43001 · ×2 · Black -
Brick 2 x 62456 · ×2 · Black -
Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside3307 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×2 · Light Bluish Gray -
Brick Round 1 x 1 with Fins, Open Stud4588 · ×6 · Dark Bluish Gray -
Brick Round 2 x 2 with Axle Hole3941 · ×2 · Yellow -
Brick Special 1 x 1 with Headlight4070 · ×2 · Red -
Brick Special 1 x 2 with 2 Pins, Round Pin Holes30526 · ×5 · Light Bluish Gray -
Brick Special 1 x 2 with Pin2458 · ×8 · Dark Bluish Gray -
Brick Special 1 x 4 with 4 Studs on One Side30414 · ×2 · Black -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618849.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×6 · Trans-Neon Green -
Crane Section 4 x 12 x 3 with 8 Pin Holes52041 · ×1 · Black -
![Fence Spindled 1 x 4 x 2 [2 Top Studs]](https://cdn.rebrickable.com/media/parts/elements/4256495.jpg)
Fence Spindled 1 x 4 x 2 [2 Top Studs]30055 · ×3 · Dark Bluish Gray -
Handlebars30031 · ×1 · Light Bluish Gray -
Hinge Panel 2 x 4 x 3 1/3 Locking Dual 2 Fingers44572 · ×4 · Black -
Hinge Plate 1 x 4 Locking Dual 1 Finger44568 · ×4 · Light Bluish Gray -
Hinge Plate 1 x 8 Locking with Angled Side Extensions, Rounded Plate Underside, 9 Teeth30407 · ×2 · Yellow -
Hose, Ribbed 7mm D. 11L / 8.8cm78c11 · ×2 · Pearl Light Gray -
Large Figure Weapon Claw Blade, Small57528 · ×2 · Red -
Large Figure Weapon, Claw Hook with Axle32551 · ×12 · Light Bluish Gray -
![Launcher, Technic Competition Cannon Flat Bottom [Complete Assembly]](https://cdn.rebrickable.com/media/parts/elements/4499435.jpg)
Launcher, Technic Competition Cannon Flat Bottom [Complete Assembly]57796 · ×2 · Dark Bluish Gray -
Lever Small Base with Black Lever298c02 · ×2 · Yellow -
Plate 1 x 13024 · ×2 · Trans-Red -
Plate 1 x 104477 · ×2 · Black -
Plate 1 x 23023 · ×9 · Light Bluish Gray -
Plate 1 x 23023 · ×2 · Black -
Plate 1 x 23023 · ×7 · Yellow -
Plate 1 x 33623 · ×4 · Red -
Plate 1 x 43710 · ×1 · White -
Plate 1 x 43710 · ×2 · Black -
Plate 1 x 83460 · ×2 · Dark Bluish Gray -
Plate 2 x 103832 · ×2 · Light Bluish Gray -
Plate 2 x 122445 · ×2 · Dark Bluish Gray -
Plate 2 x 23022 · ×2 · Black -
Plate 2 x 23022 · ×6 · Dark Bluish Gray -
Plate 2 x 23022 · ×1 · Red -
Plate 2 x 23022 · ×4 · Light Bluish Gray -
Plate 2 x 33021 · ×2 · Red