Kid O Toys Stack and Fit Cups Toy A classic set of stacking cups, this simple yet fascinating activity toy will captivate an infant's imagination with its endless ways to play Stack them up, knock them down or fill the cups up with other things, this engrossing toy will entertain and delight for hours Helps develop motor skills, concentration, spatial awareness and sequencing Made from the highest quality materials with uniquely designed scalloped cup sides, its durable, easy to hold and nests together perfectly 5 pieces, ages 1+