* Add 2 Part 6249c02 Red Brick, Modified 2 x 4 with Pins with 2 Yellow Wheel FreeStyle with Technic Pin Hole and 2 Black Tire 24mm D. x 8mm Offset Tread (6249 / 6248 / 3483)
* Delete 4 Part 3483 Black Tire 24mm D. x 8mm Offset Tread - Interior Ridges
* Delete 4 Part 6248 Yellow Wheel FreeStyle with Technic Pin Hole
* Change {4 to 2} Part Red 6249 Brick, Modified 2 x 4 with Pins
* Add 2 Part 6249c02 Red Brick, Modified 2 x 4 with Pins with 2 Yellow Wheel FreeStyle with Technic Pin Hole and 2 Black Tire 24mm D. x 8mm Offset Tread (6249 / 6248 / 3483)
* Delete 4 Part 3483 Black Tire 24mm D. x 8mm Offset Tread - Interior Ridges
* Delete 4 Part 6248 Yellow Wheel FreeStyle with Technic Pin Hole
* Change {4 to 2} Part Red 6249 Brick, Modified 2 x 4 with Pins