Kids may find fractions frustrating, but by using their eyes and hands, the concept can become more concrete for them. A playful introduction to the world of fractions -- whole, halves, quarters and eighths. There are many possibilities that result in "one," and with a fraction circle, these possibilities can be easily explained and experienced using eyes and hands. The pieces can also be arranged and stacked to create simple designs. This set includes 15 blocks and 1 base. Each board measures 6.5 x 6.5 x 1.25 inches, fraction block pieces are 0.75 inches thick. Handcrafted from solid wood and colored with non-toxic water based stains in Warm colors of red, mauve, orange and yellow. Also available in Cool shades of blue, teal and green. Age 3+ About Grimm"s Fraction Circle is made in Germany by Grimm"s Spiel und Holz Design, who have been manufacturing high quality, imaginative wooden toys since 1978. Inspired by the philosophies of Waldorf education, these beautiful and unique toys are designed with simple shapes, vibrant, natural colors, and a gentle texture that can be enjoyed by both children and adults of all ages. All dyes are water based, certified nontoxic and in accordance with stringent European standards (EN 71) are harmless to your health and suitable for children toys. The same is true of the natural oil used. Grimm"s is about the rainbow, happy colors, creativity, and the imagination. Grimm"s creates heirloom quality puzzles, building blocks sets, dolls, baby stackers, rattles and more. Parents love Grimm"s because designs by this German company advance creativity, leaving room for independent play through simple shapes and vibrant colors. Grimm"s intent is to develop long-lasting toys that help children discover and develop their own creativity. There are no instructions, and you can do no wrong with a Grimm"s toy. Just play, learn, and enjoy.