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 94925 Light Bluish Gray Technic, Gear 16 Tooth (Second Version - Reinforced) (Alternate) (match ID 6)
* Add 6 Part 10928 Dark Bluish Gray Technic, Gear 8 Tooth Type 2 (match ID 5)
* Change 2 Part Light Bluish Gray 4019 Technic, Gear 16 Tooth (First Version - 4 Round Holes) {Regular to Alternate} {match ID 0 to 6}
* Change 6 Part Dark Bluish Gray 3647 Technic, Gear 8 Tooth Type 1 {match ID 0 to 5}