Civiballs Xmas: Physics puzzle

Help Santa Claus collect his holiday bubbles in his boxes. Use your magical scissors to cut the rope just in time! Avoid grey balls trapping in boxes - otherwise, you fail the level. Also, take a note that Santa wants to collect balls of the same color in the boxes of the same color! Santa will, surely, consider you as a good person, so you will get better presents, but that's not for sure :) K…