More information24 Rings in 4 different sizes and in 6 different colors. Each color contains 4 rings in a gradient of its hue, from brightest to lightest. You can complement the heuristic game with stringing, stacking, hiding and discovering and creating different games. These rings in their 4 different measures also allow the classification, grouping and association of elements through their size and shape, helping the development of logical-mathematical thinking. Recommended age: +36 months