Enjoy counting and stacking till ten. This numerical stacker is an ideal toy to develop concept of numbers and quantity till ten. Stacking blue rings made from food grade plastic as per the number shown encourages repeated counting till ten. Stacking indirectly presents idea of more and less as the height of stacked rings differs. Presenting all rings in one color enables child to focus on counting and quantity invariably. Playing with this toy enhances mathematical skill, logical thinking, memory, concentration and develops confidence.