thomas and friends mini series

Those stamped codes feel like manufacturing date codes. My kitten had the same code as yours, though, and the fizz bomb was also blue. I'll push an update shortly that uses the other pack numbers (e.g. GPB54) to identify them.

Thanks Drew, just like Mike posted, the codes did not mean anything and we realized there were individual item codes on each box for each cargo creature.

I really wasn't planning to collect the figures, since they are not really "thomas minis" and not related to any episodes or feature length movies (as far as I know), so I thought I don't have to collect them... But, now that you added them to your page, I guess I have no choice but to start buying those. Although $8+tax is kind of steep for what they are, maybe I can trade some of my engines with the cargo creatures if anyone is looking for old engines/variations/etc.
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This is something to think about...it says it comes with 3 extra packs. So might be a way to get the other animals. Unless these have different animals in them 

Thomas & Friends Fisher-Price MINIS, Fizz ‘n Go Mega Pack https://www.amazon.com/dp/B07MLXYMV8/ref...sCbN8X3STR