9686-1 (Inv) Simple and Motorized Mechanisms Base Set (Simple & Powered Machines Set) 388 Parts, 2 Minifigures, 1 Book, 5 Gear, 2009 Sets: Educational & Dacta: Technic
* Add 2 Part 32905 Light Bluish Gray Technic, Gear Worm Screw, Long, Axle Opening Type II (Alternate) (match ID 4)
* Change 2 Part Light Bluish Gray 4716 Technic, Gear Worm Screw, Long {Regular to Alternate} {match ID 0 to 4}