Mattel Fisher-Price Stack & Roll Cups

Baby Will Love Fitting The Colorful Numbered Cups Together, Stacking Them Higher And Higher Or Hooking Them Together To Roll The Colorful Balls. There'S Even A Smiley Squeaky Ball That Fits Inside Any Cup Or Fits On Top Of The Whole Stack. Stacking, Nesting Or Matching Cups Teaches Baby Sizes, Shapes And How Things Fit Together In A Fun Way.