The building cups come in a set of seven parts, individually coloured in subdued, natural shades These multifunctional building cups stimulate children's motor skills and play, both indoors and outdoors. The tiny play cups are stackable, and the small holes in the bottom of the cups also make them ideal for playing with water in the bath or sandbox. Made from bioplastic, which is a sustainable raw material made of 90% sugarcane, making it certified to carry the Nordic Swan Ecolabel. Cups are dishwasher safe. Measures 13"H when stacked. 7 pieces. Ages 6 months and up.