Buy Montessori Color Tablets 3 pairs of the primary colors: red, yellow and blue in a wooden box. Each tablet has durable plastic frames to facilitate handling. All tablets are made from plastic. • Dimension of the box: 3.7" W x 3" D x 2" H • Recommended Ages: 3 years and up Buy now: https://kidadvance.com/color-tablets-1st-box.html