First, this is a casual game; its gameplay is very simple, very easy to use, Color played Switch games should be on this play are not unfamiliar, you only need to click the bottom color block changes to match the color of objects above the infinite rebound can, of course, the students will not hand residual estimation happy, because this game test of your ability to reflect and visual ability; in addition, later we will increase the black and white version, because we have to take care of you；