I found this game fun. Very solid use of sprites. It would be 5x cooler if there were "levels" and you could purchase a few powerups like superspeed, slow time, blasters, and doublejump. 4/5 for trippyness and 5 minutes of laughs.
Fun game I'm not sure if the ball going vertically through the line is a good thing or a bad one. Sometimes it saves you sometimes it hurts. It would be nice if there were physics based puzzles or enemies to through your ball at. 4/5.
I think the only thing I would add is a way to lock pieces by right clicking. Just turn them blue. It would be nice to prevent pieces you know are right from being moved later. Also, as a recommendation don't do more than 2-3 levels at a time.