15 shapes arranged in order by color and size. The knobs in this puzzle will not come out since they are glued and doweled from the side. Shapes are bright primary colors and are raised above the surface of the puzzle board to emphasize the identity of the shape. High impact laminate is of each shape is durable and washable.

Product Features

• Develops the ability to recognize differences in size, shape and color.
• Improves the ability to evaluate gradual changes in size.
• Teaches how to arrange objects in ascending and descending order.
• Introduces left-to-right progression.