Merge num bubbles to get the target number. To merge a bubble into another, just tap on the bubble and set your arrow towards the target bubble and release that. To win a level you need to create 10 target bubbles. bubble merge game, math puzzle, educational game, number matching, arcade game, mobile puzzle, number recognition, addition game, brain training, strategy game, school game, kids games, number skills, problem solving, fun math game, online puzzle