RobotThoughts

December 6, 2006

Lego Mindstorms NXT Synchro Drive

March 20, 2001

Stronger Synchro Drive

July 20, 2000

Synchro Drive with 360 Degree Bumper

July 20, 2000

First Synchro Drive

July 20, 2000

Astro Droid Synchro Drive