The step counters make the number range up to 100 a sensual experience. Abstract numbers become vivid by comparing the lengths of the bars. For calculating with even numbers, they even allow immediate self-control. The box with the bars of different sizes and colours enables children to understand quantity and size relationships and to develop spatial thinking. Lime wood, 100 parts from 1-10 ascending, box approx. 21 x 21 cm. From 5 years. 100 parts of colored glazed lime wood count, compare, calculate and understand in the number range up to 100 well stored in the oiled wooden frame Grimm's is a sustainable wood manufactory from southern Germany. From alder, lime, beech and maple wood beautiful things, as well as natural, high quality and safe wooden toys are produced. In the development of its products Grimm's is guided by Waldorf education, among other things. The products are unique and, with a few exceptions, are sanded and partly hand-painted by hand. With the reduced design of the wooden toys Grimm's wants to allow a lot of space for the development of children's creativity. The wood used comes from sustainable forestry in Europe. The production is designed to be as resource-saving as possible. For some products Grimm's cooperates with workshops for disabled people in Germany.