How accurate is the brick'em scanner?

brick'em is trained on 18,600+ minifigures using BrickLink's complete catalog. You get the exact BrickLink ID, name, and market price for every figure scanned.

Do I need a credit card to start?

No. Start your 14-day free trial with no payment due today. Cancel anytime during the trial and you won't be charged.

What platforms can I export to?

Whatnot, eBay, BrickLink, Shopify, BrickStore, and generic CSV. Each export is formatted specifically for that platform so you can bulk upload immediately.

Is brick'em just for minifigures?

No. brick'em identifies both minifigures and individual parts. The parts scanner identifies pieces by color and looks up prices per variant.

Can I cancel anytime?

Yes. Cancel or downgrade from your settings page. No contracts, no cancellation fees, no questions asked.

I already have a system that works. Why switch?

If your current process handles 200+ figures a week without eating your weekends, keep it. But if you're spending hours on manual lookups, brick'em does the same work in minutes. Most sellers try the 14-day free trial and never go back.

Combat Crawler X2

7721-1·LEGO·2007·3 minifigs·155 parts

Used Avg

$228.40

New Avg

$268.66

Add to your inventory Scan the minifigs

About Combat Crawler X2

Combat Crawler X2 (7721-1) is a LEGO LEGO set released in 2007, currently averaging $228.40 used on BrickLink. It comes with 3 minifigures worth a combined $7.68. The set has retired from retail, so secondary market is the only option. The full parts inventory runs 155 pieces.

Part-out value

The minifigures make up only 3% of this set's value ($7.68 out of $228.40). The bulk of the value is in the parts or the set being complete. Sell it as a complete set if possible.

Seller notes

This is a vintage set (2007). 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 Combat Crawler X2 (3)

Iron Drone (Devastator) - Red Eyes

exf008$2.26

Devastator - Trans-Red Torso, Red Eyes

exf009$2.92

Ryo - Gold Armor

exf014$2.49

Parts (155)

Tile, Modified 1 x 2 Grille with Bottom Groove

×3

Tile, Modified 1 x 2 Grille with Bottom Groove

×2

Tile 1 x 4

Plate, Modified 2 x 2 with Pin Hole

×7

Plate 2 x 12

×2

Brick 2 x 6

×2

Brick, Modified 1 x 2 with Pin

×8

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

×3

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

×4

Technic, Disk 3 x 3

×2

Technic, Pin with Short Friction Ridges

×38

Technic, Liftarm, Modified Stud Connector Thin 1 x 4

×4

Technic, Brick Modified 1 x 2 - 1 x 2 Angled with Bumper Holder

×4

Brick 2 x 4

×2

Minifigure, Utensil Handlebars

Brick 1 x 2

×3

Brick 1 x 2

Brick 1 x 1

×4

Fence 1 x 4 x 2 Spindled with 2 Studs

×3

Brick 1 x 6

Plate 2 x 4

×2

Plate 2 x 3

×2

Plate 2 x 2

×2

Plate 2 x 2

×6

Plate 2 x 2

×4

Plate 1 x 2

×7

Plate 1 x 2

×2

Plate 1 x 2

×9

Plate 1 x 1

×2

Plate 4 x 4

×2

Plate 2 x 8

×4

Plate 4 x 8

×4

Arm Mechanical, Battle Droid

×2

Slope 45 2 x 3

×2

Slope 45 2 x 2

Technic, Link 1 x 5

×4

Hinge Plate 1 x 8 with Angled Side Extensions

×2

Brick, Modified 1 x 4 with Studs on Side

×2

Slope 45 2 x 1 Triple with Inside Bar

×2

Turntable 4 x 4 Locking Grooved Base with Black Top (30516 / 30658)

Brick, Modified 1 x 2 with Pins

×5

Brick, Round 1 x 1

×2

Tile 2 x 2

Tile 1 x 2 with 'XFxxxxxx' Exo-Code Pattern

Technic, Brick 1 x 2 with Holes

Technic, Plate 2 x 6 with 5 Holes

×2

Technic, Liftarm, Modified Bent Thick 1 x 11.5 Double

×2

Technic, Liftarm, Modified Bent Thick 1 x 11.5 Double

×4

Technic, Axle and Pin Connector Angled #1

×16

Technic, Axle and Pin Connector Angled #5 - 112.5 degrees

×4

Technic, Brick 1 x 14 with Holes

×6

Technic, Axle Connector with Axle Hole

×2

Technic, Axle Connector with Axle Hole

Technic, Pin 3L with Friction Ridges and Stop Bush

×6

Technic, Axle 2L Notched

×8

Technic, Brick 1 x 2 with Axle Hole

×8

Technic, Brick 1 x 2 with Axle Hole

×7

Technic, Axle and Pin Connector Perpendicular 3L with Center Pin Hole

Technic Driving Ring Extension

×8

Technic, Axle 5.5L with Stop

×2

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

×2

Technic, Axle and Pin Connector Perpendicular Double

Technic, Liftarm Thick 1 x 5

×6

Technic, Liftarm, Modified Bent Thick 1 x 7 (4 - 4)

Brick 1 x 2 x 2 with Inside Axle Holder

×2

Technic, Liftarm Thick 1 x 3

×3

Technic, Liftarm Thick 1 x 7

×2

Technic, Liftarm Thick 1 x 11

×6

Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5

×2

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

×4

Technic, Brick 6 x 8 Open Center

×2

Bionicle Claw Hook with Axle

×12

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

×2

Plate 1 x 8

×2

Brick 1 x 3

×4

Plate 1 x 3

×4

Slope, Inverted 45 2 x 2 with Flat Bottom Pin

Slope, Inverted 45 2 x 1

×2

Slope 75 2 x 2 x 3 - Hollow Studs

Technic, Brick 1 x 2 with Hole

×8

Technic, Brick 1 x 4 with Holes

×2

Technic, Axle 4L

×5

Technic, Axle 6L

Technic, Plate 2 x 4 with 3 Holes

×6

Technic, Plate 2 x 4 with 3 Holes

×8

Plate 1 x 4

×2

Technic Bush

×13

Technic, Axle 10L

×2

Technic, Plate 2 x 8 with 7 Holes

×2

Technic, Axle 1L with Pin without Friction Ridges with Round Hole

×4

Plate 2 x 6

Plate 2 x 10

×2

Plate, Modified 1 x 2 with Bar Handles - Flat Ends, Low Attachment

×2

Technic, Brick 1 x 6 with Holes

×2

Brick, Round 2 x 2 with Axle Hole

×2

Antenna 4H - Round Top

×2

Plate 6 x 6

Plate, Round 2 x 2 with Axle Hole

Brick, Modified 1 x 1 with Headlight

×2

Plate, Round 1 x 1

×3

Wedge 6 x 2 Right

Wedge 6 x 2 Left

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

×4

Technic Bush 1/2 Smooth

×7

Technic, Pin 1/2 without Friction Ridges

×3

Technic, Axle 1L with Pin with Friction Ridges

×9

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

×2

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

×2

Slope 45 2 x 8

×2

Hinge Plate 1 x 4 Locking Dual 1 Finger on Side

×4

Panel 2 x 4 x 3 1/3 with Double Locking 2 Fingers Hinge

×4

Plate 1 x 10

×2

Technic, Axle 3L

×4

Minifigure, Utensil Tool Mallet / Hammer

Wedge 16 x 4 Triple Curved with Reinforcements

×6

Brick, Round 1 x 1 with Fins

×6

Cone 1 x 1

×6

Plate, Modified 1 x 4 Offset

Antenna Small Base with Black Lever (4592 / 4593)

×3

Tap 1 x 1 with Hole in Nozzle End

×4

Technic Rotation Joint Ball Loop with 2 Perpendicular Pins with Friction

×4

Wedge 4 x 4 Triple Curved No Studs

×6

Technic, Brick Modified 2 x 2 with Pin Hole and Rotation Joint Socket

×2

Technic, Brick Modified 2 x 2 with Pin Hole and Rotation Joint Ball Half Vertical

×4

Technic, Brick Modified 2 x 2 with Pin Hole and 2 Rotation Joint Sockets

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

Crane Section 4 x 12 x 3 with 8 Pin Holes

Barb / Claw / Horn / Tooth - Small

×12

Technic, Axle Connector Perpendicular 2 x 5 Bent

Arm Mechanical, Exo-Force / Bionicle, Thin Support

×6

Technic, Axle 8L with Stop

×2

Projectile Arrow, Liftarm Shaft with Molded Black Flexible Rubber Hollow End Pattern

×3

Projectile Launcher, Cannon, Flat Bottom

×2

Bionicle Weapon Claw Blade Small

×2

Technic, Brick Modified 2 x 2 with 2 Ball Joints

Technic, Brick Modified 2 x 2 with Ball Joint and Axle Hole

×2

Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole (Undetermined Type)

×4

Plate, Modified 1 x 1 with U Clip (Horizontal Grip)

×2

Windscreen 5 x 2 x 1 2/3

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

×2

Technic, Axle and Pin Connector Perpendicular

×3

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

×2

Technic, Pin 3L with Friction Ridges

×46

Technic, Axle 3L with Stud

×8

Sticker Sheet for Set 7721 - (60491/4512827)

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

×2

Common questions about Combat Crawler X2

How much is LEGO Combat Crawler X2 (7721-1) worth?

Combat Crawler X2 sells for an average of $228.40 used and $268.66 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 7721-1?

This set includes 3 minifigures: Iron Drone (Devastator) - Red Eyes ($2.26), Devastator - Trans-Red Torso, Red Eyes ($2.92), Ryo - Gold Armor ($2.49). The minifigures have a combined BrickLink value of $7.68. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO Combat Crawler X2?

The minifigures make up about 3% of the set value ($7.68 out of $228.40). 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 Combat Crawler X2 (7721-1) retired?

Yes, Combat Crawler X2 was released in 2007 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. At its current price point, it has appreciated since retirement.

How do I check if my Combat Crawler X2 set is complete?

Use the parts list on this page to check every piece and all 3 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.

Explore more

All LEGO sets LEGO minifigures Most valuable LEGO figs Free scanner