They almost all had alternate builds. I believe for Technic it was near 100% of all sets. Unfortunately ended this somewhere around 2014 it looks like. https:

They almost all had alternate builds. I believe for Technic it was near 100% of all sets. Unfortunately ended this somewhere around 2014 it looks like. https://www.youtube.com/watch?v=HIQfL4hKuhE https://www.youtube.com/watch?v=HIQfL4hKuhE