This is definitely one of the best games I've played during this jam! I very much enjoyed it and I hope you make a full release of this game! I'm not sure if I missed it, but an undo action button would work well (I accidentally deleted my structure near the end :') ). I also love that you need to keep in mind the physics of the ball and can't just make straight paths. Would be interesting to see some types of obstacles in the game in the future. Great job!!