As a small lad, I favored building stuff. Favorites included the Erector set
and Toggle blocks, which were small hollow plastic hexahedra with one hinged side, holes in some sides, pegs in the others. I searched for a picture of these but could not find them.
At some point, chemistry sets became my favorite; not the junk they have today, but real ones:
In middle school, I started playing in a band with friends, so that occupied me for some years.