One of my garage neighbours told me of another huge flea market in Saltykovka.
That’s a railroad station about 20 min. east from the Kursk train station (Metro Kurskaya). If driving, aim for Balishikha that you can access via either Shelkovskaye or Gorkovskoye shosse, and then ask about Saltykovka.
Let me see.. There are some reports from last year. Here are some photos >>
And a video..
It is on my Check it out list.