Really liked the mechanics (they fit the theme well) and level design! Magnet box (player avatar) moves a bit slow when trying to move quickly but that's probably my only complaint.
There was a glitch in the first level where I placed the box on the last spot(switch) for the door to next level but from the left side. The glitch is that I walked into the box and it flew up and fell back down in place after 5 ish seconds but the door didn't stay open.