Lamaze Pile & Play Stacking Cups offer simple-yet-fun ways to play. Baby will love to fit them together, stack them up, or turn them over to hide things underneath. These eight colorful cups have large numbers embossed on the base so an older child can practice counting and begin building number recognition skills. For even more fun, use them in the tub! Each cup has unique holes in the bottom for water play fun. Fill them up and watch the water trickle out of the bottom!