●Low step design makes it easy to raise even for senior cats and kittens ●Easy to assemble and can be assembled by one person with no problem ●The distance between the steps of the stairs is approximately 5.9 inches (15 cm) narrow, so it can easily be raised and lowered by senior cat ●For senior cats and shorts, the stair tower is a fun way to play like an amusement park. It improves the lack of exercise for cats, relieves stress, and makes your cats body and mind healthier ●This cat tower is a fluffy wide gazebo, a sleeping cave that can be sleeped, and a stake that can be used to make cats happy