Penn Plax, Bird Life, Natural Weave Kabob Bird Toy, 12"H CLIMBING TOY ATTACHES SECURELY TO CAGE: the Penn Plax Bird Life Natural Weave Kabobs hang safely and securely to the top of your birds wire cage with the safety clip provided. NATURAL FIBERS AND WOODEN SHAPES: made of all natural materials, this Kabob creates feet and beak exercise opportunities while the brightly colored wood shapes keep your bird entertained. ENCOURAGES PHYSICAL AND MENTAL EXERCISE: the climbing and pecking at this Weave Kabob will provide physical exercise as well as mental activities  such as problem solving and thrill of accomplishment. FOR SMALL BIRDS: this Kabob measures 12 inches tall. Sold separately are different styles and sizes, made by Penn Plax.