Many problems that arise in making egg salad, chopped liver, tuna fish, etc. (Besides the issue of LOSH).
What are some of the halachas of "kevashim/shlokos" (various foods). Part 2.
Puzzles, playing with Dominoes, etc.
Folding garments that don't have a recognizable crease, folding so that it fits in the drawer or closet, and cleaning off the table after...