* Add 1 Part 2312c02 Yellow Duplo Car Base 2 x 6 with Red Wheels and Open Hitch End (Alternate) (match ID 1)
* Change 1 Part Yellow 4883c02 Duplo Car Base 2 x 6 with Red Wheels and Old Style Closed Hitch End {match ID 0 to 1}
Comments from Submitter:
Set box copyrighted 1989 showed open hitch. Three photos follow.