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 6 Part 10928 Dark Bluish Gray Technic, Gear 8 Tooth Type 2 (Alternate) (match ID 5)
* Change 6 Part Dark Bluish Gray 3647 Technic, Gear 8 Tooth Type 1 {Regular to Alternate} {match ID 0 to 5}