Combine these construction materials with our gearboxes and control boxes to create that unique robot, vehicle, or other device. Limitless possibilities! New: Universal Plate Set III, 3mm Shaft Set II. Universal Plate Set I $11.99 Universal Plate Set II $13.99 Universal Plate Set III $19.99 3 MM Shaft Set I $14.99 3 MM Shaft Set II $11.99 Shock Set (mini) $9.99 Universal Arm Set I $8.99 Universal Arm Set II $7.99 Stay Set (mini shocks) $4.99 Pulley Set (Small) $7.99 Pulley Set (Large) $8.99 Ladder Chain & Sprocket Set $15.99 Universal Metal Joint Set (4 pcs) $6.99 Sub Motor $9.99 Tank Track & Wheel Set $17.99 Ball Caster Set (pair) $7.99 Copyright © 2003-2008 E-Clec-Tech. All rights reserved. All other materials and logos are copyrighted by their respective owners, or companies.