Help with Name of Set or Sets

[Super]

And another stumbled upon discovery, we now know of 3 sets that include these different types of gray, 3" risers for the elevated rails with this set having the most...

http://www.1999.co.jp/eng/10074246

And the previously ones...

http://www.1999.co.jp/eng/10123102
http://www.1999.co.jp/eng/10080043