These Giant Stacking Cups are actually 2 games in 1! The 10 cups can be stacked vertically into a tower, with each cup having a number in relief to make it easy to stack in order and help number recognition. Also, the largest cup has a lid with 4 holes to double as a shape sorter. They can also be used in water play as each one has a hole through which they can make 'rain' with water. Promotes shape, size and number recognition. Develops fine motor skills and dexterity. Height when fully stacked: 910mm. Age Suitability: 6 Months +.