PlusL on X: "You can get the LEGO Combine Robot instructions. 4 vehicles trans-form and combine! http://t.co/vTmCO4dyi3 #PlusL http://t.co/Yjtt6G1jTS" / X
LEGO 4917 Robot set Instructions, Creator
How to Build Cool LEGO Robots - Frugal Fun For Boys and Girls
Lego Mindstorms NXT - ROBOTS: Your Guide to the World of Robotics