Combat Crawler X2

1 part comes in a colour no other set has for that mould

• Crane Section 4 x 12 x 3 with 8 Pin HolesBlack

5 parts appear in only a few other sets

• Hinge Panel 2 x 4 x 3 1/3 Locking Dual 2 FingersBlack · ×4also in 7783 The Batcave: The Penguin and Mr. Freeze's Invasion
• Large Figure Weapon Claw Blade, SmallRed · ×2also in 8973 Raanu
• Large Figure Weapon, Claw Hook with AxleLight Bluish Gray · ×12also in 8436 Truck, 7703 Fire Vulture, 7298 Dino Air Tracker
• Brick Wedged, Curved 4 x 4 No Top StudsYellow · ×6also in 7712 Supernova, 7660 Naboo N-1 Starfighter with Vulture Droid, 7877 Naboo Starfighter
• Technic Brick 1 x 2 - 1 x 2 Angled with Bumper Holder [Closed Front]Dark Bluish Gray · ×4also in 7894 Airport - ANA version, 7780 The Batboat: Hunt for Killer Croc, 7894-2, 6210 Jabba's Sail Barge

3 parts are otherwise only found in Exo-Force sets

• Leg Mechanical, Exo-Force RobotCopper · ×2
• Leg Mechanical, Exo-Force RobotPearl Light Gray · ×2
• Torso/Head Mechanical [Exo-Force Robot]Copper

4 moulds first came out in 2007, including in this set

• Technic Brick Special 2 x 2 with Ball Socket Reinforced and Axle Hole×4
• Large Figure Weapon Claw Blade, Small×2
• Technic Brick Special 2 x 2 with Solid Ball and Axle Hole×2
• Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention]

2 existing moulds first came out in their colour in 2007, including in this set

• Projectile, Technic Competition Arrow, Liftarm Shaft with Hollow Black Rubber…Red · ×3
• HandlebarsLight Bluish Gray