LEGO Technic Differential gear box kit (gears, pins, axles, connectors) 27 pieces
LEGO Technic - 10 x small universal joint in new light grey, 3 studs long
LEGO Technic - Differential Gears (Gear) 24-16 in The New Gray - Complete Set
LEGO 50pc Technic gear & axle SET
LEGO 5pc Power Functions Motor Battery IR Remote Receiver SET
LEGO Functions Power Functions XL-Motor 8882 (1 Piece)
1LBS LEGO Technic Random Lot Of Pieces
LEGO Parts and Pieces: Large Black Tire and Black Wheel Pack - 8 Pieces
The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms
LEGO Technic Pegs, Joints, Peg-Joints Pack