Consisting of 3 platforms for each leg (6 platforms in total) with a skating area about 15.5 inches wide by 32 inches long giving a stride length about 29 inches. This is ideal for any child under 5 feet in height and as the child ages you can add other platforms (15.5 inches wide by 11 inches long) to lengthen your child's stride. Also, can combine the platforms to form one continuous straight exercise platform that is about 15.5 inches wide by 66 inches long. This allows for many types of exercises, dynamic stretches, and low-impact cardio workouts.