* Add 6 Part 4697b Light Gray Pneumatic T Piece Second Version (T Bar with Ball in Center) (Alternate) (match ID 1)
* Change 6 Part Light Gray 4697a Pneumatic T Piece First Version (T Bar) {match ID 0 to 1}
* Change 1 Part Light Gray {3650 Technic, Gear 24 Tooth Crown (Undetermined Type) to 3650b Technic, Gear 24 Tooth Crown (2nd Version - Reinforced)}
Comments from Submitter:
Source: sealed set contents. Ebay listing 223555766719 and completed listing 113261231973. Both sets have 3650b and 4697b.