24 Rainbow Nest Bowls in four different sizes and 6 different gradient colors. Each of the 6 colors includes 4 bowls that degrade its hue from brighter to lighter shade. You can complement the heuristic game with filling and emptying, transfers and loading, hiding and discovering …. These bowls of different sizes also allow you to create worlds of towers, colors, constructions, hide treasures like little boxes or even roll one inside the other. These 24 pieces allow a wide variety of play. These 24 pieces allow a wide variety of games due to the versatility of the material