Every button in this Button Trail by PlayDesigns sits on a support post and should be installed at fluctuating heights for increased difficulty. The Button trail manufactured by PlayDesigns is generally placed in a circular design. This unique figure eight design builds balancing abilities in young kids playing with this trail. This Button Trail can be constructed in different colors. You can choose five different plastic colors and five paint colors for the buttons and posts. The outside diameter of the support posts is 3.5-inch. This playing equipment consists of rotationally molded steps made of durable plastic. Order this unique trail now and have lots of fun!