* Add 1 Part 61485 Black Turntable 4 x 4 Square Base, Locking
* Change {1 to 2} Part Light Bluish Gray 60474 Plate, Round 4 x 4 with Hole
* Change 1 Part Light Bluish Gray 60474c01 Turntable 4 x 4 x 2/3 Top with Black Square Base, Locking, Complete Assembly {Regular to Counterpart}