Dienes logical blocks – is an effective didactic material, which successfully combines the elements of the designer and educational games. The set consists of 48 volume geometric shapes, differing in color, shape, size and thickness. Each figure is characterized by four properties. The main goal is to teach a child to solve logical problems on a breakdown by properties. Blocks involve countless games that you can invent yourself. The figures are painted in bright colors, the details are well ground. Recommended for children 3-8 years.