Cool Math Bluebox is the useful game for kids to play online and train the thinking skill. You will have the mission connect two blue blocks together. To do that, you have to overcome all obstacles in each level. They will have the different color. And you can realize them easily. Before clicking anything in Cool Math Bluebox, you should observe first to figure out the best solution after that. Besides, try to end the stage as soon as possible to gain the high point!