Keep your baby busy as can be with this set of eight colorful cups whether stacking them up high or nesting them all together, the fisher-price stacking cups are super fun for your little one. Here development comes into play fine motor:Ittle hands will be busy grasping, stacking, and nesting the cups, helping to develop dexterity and hand-eye coordination. Roblem-solving skills:Oddlers can practice trial and error as they figure out how the colorful cups stack and nest together. Elf identity:Our little stacker will develop a sense of independence and confidence as they discover how to stack and nest the cups all on their own features:8 colorful cups of varying sizes grasp, stack, and nest them together. Introduces colors, size, and sequencing helps develop dexterity? And hand-eye coordination fosters problem solving skills.