The DIO809 “Friends’ Bastion” playground complex consists of 8 towers with observation decks, connected by straight and radial walkways featuring curved safety walls, a spiral slide, two slides for children ages 6–12, and a slide for children under 6, an arched metal ladder and a checkerboard ladder, a radial wooden climb with a rope, chain walkways, tunnel walkways, a circular ladder and wooden ladders, and a spiral climb.