* Delete 4 Part 3139 Black Tire 14mm D. x 4mm Smooth Small Single
* Delete 4 Part 8 Light Gray Plate, Modified 2 x 2 with Wheel Holder Bottom
* Add 4 Part 8c01 Light Gray Plate, Modified 2 x 2 with Wheel Holder Bottom and Red Wheel with Black Tire 14mm D. x 4mm Smooth Small Single (8 / 3464 / 3139)
* Change {8 to 4} Part Red 3464 Wheel Center Small with Stub Axles (Pulley Wheel)