Cubic CrocoBloco has a body of detachable plastic cubes. 1, 2, 3, 4...kids can learn counting and calculation with these 4 little cubes. It exercises muscle, trains logics, teaches concepts of colors, numbers and daily objects. Make it short, make it long, kids can form different lengths of crocodile with their imagination! It's fun & learning time with Cubic CrocoBloco.