Caterpillar Sort And Stack Montessori Wooden Stacker & Shape Sorter ToyUnique Montessori wooden design allows for both vertical & horizontal play. Develops progression of motor & critical thinking skills. Lay out flat for shape identification and sorting. Stack for shape matching, sequencing, and balancing. Shapes hide between the stacks for added challenge. Includes caterpillar head, 5 body segments, caterpillar base, 6 shapes, and activity guide. 9 (22. 9cm) tall when stacked. Promotes grasping ability and finer