This stacking tower by Yookidoo makes fun sounds and has lots of activities.The tower contains five colorful stacking blocks, each with a clicking or rattling sound.The three friendly rattling balls can be dropped by your child through the middle of the Stack Flap N Tumble, the soft crackling wings on the side will then flap.The toy has two different openings, so it will remain a surprise for your child which opening the ball comes out of.The top stacking block is in the shape of a flower and has soft, crackling petals.