Both bells have a tray but only the smaller one has its own tray, the tray of the large bell has a diameter of a few centimeters larger than the diameter of the bell above it, obviously it replaced the original.
To see the differences in detail I invite you to consult the file: https://www.dropbox.com/scl/fo/e3gs72gq6ngcfw1gk5pzf/ANKudvftXDJF3xUIxcYB_F4?rlkey=cdieki2k172xm2vayhzfqrs06&st=g53s2wk3&dl=0