Alien Encounter

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

• Wheel Hard Plastic Small (22mm D. x 24mm)Light Gray · ×2

2 parts appear in only a few other sets

• Brick Special 1 x 2 with PinGreenalso in 6713 Grip 'n' Go Challenge, 4706 Forbidden Corridor
• Brick Special 2 x 2 with Pin and Axle HoleGreenalso in 1841 {Aeroplane}, 2000400 Enterprise RTS, 2000402 Foundation Skills Set

2 moulds first came out in 2001, including in this set

• Legs Martian
• Minifig Head Special with Clip and Eyes Plain Print (Martian)

4 existing moulds first came out in their colour in 2001, including in this set

• Arm Mechanical with 2 Clips [Battle Droid]Dark Turquoise · ×3
• Helmet, StandardLight Gray
• Torso Mechanical, Battle DroidOrange
• Wedge Plate 3 x 6 Cut CornersSand Green