Come and see our amazing products. 8 colorful,numbered cups to stack,nest,or snap together and roll.Jingle-sounds ball nests inside or rests on top.Snap cups together to make 4 balls.Cups nest inside each other for easy take-along.It can help children foster fine motor skills,Introduces colors,numbers & counting,and relative size & shape,Encourages thinking & problem-solving skills. Pls confirm further with us if any query about packing info, inventory status and time schedule.