Great work. I built the Midwest Lobster Smack kit which is slightly different but follows the same general look. I did not like the copper wire for the blocks either, so I followed
Olha Batchvarov's use of varying sized polyester threads. Here is the video where she is showing the technique of using heavy thread with lighter weight seizing. The detail starts around 1:21 on this YouTube video:
. They are much more elegant and feel visually accurate but I had a hard time understanding the exact size thread - so I guessed. Good luck with your build!