The advance multi-level stacker features 14 different wooden shapes, where the bigger shape includes a slot for the smaller shape to fit. A multi-level stacking activity that helps kids to discover different shapes, sizes and order. A great toy for a child to discover stacking all by himself / learn about shapes in a fun way and enhance their logical and reasoning skills. Discover as the child attempts multiple iterations to match and order the different shapes in an ascending order. Different colors also aid in color recognition and enhances active learning and exploration