* Add 2 Part 2797c02 Trans-Light Blue Pneumatic Pump New Style with Black Top (Alternate) (match ID 1)
* Change 2 Part Yellow 2797c02 Pneumatic Pump New Style with Black Top {match ID 0 to 1}
Comments from Submitter:
2010 E&D catalog shows this set with trans-light blue cylinders and the words "Cylinder color may vary." Will be adding image to set as alternate soon.