I played this shortly after BeSwitched (another game in the jam, if you haven't seen it) - interesting to see two very different takes on a similar mechanic. I think you could take some cues from them in making what things do a bit clearer, but you also got much less time to establish your mechanics, so it's fair to not have gotten there yet. I do like this concept a bit better in isolation - it feels much more chill than BeSwitched. I would also suggest that you highlight objects that can be swapped by default (or maybe have a keybind that highlights all of them?). It was easy to mix up swappable objects and unswappable ones. Don't let all of that feedback discourage you though - this was really a fun game! I liked your puzzles quite a bit, and they were easily replayable when I failed them. The fact that my only issues are with your presentation really speaks to your game design skills.