CUSTOMIZABLE: Accessories easily attach to all sides of the Modular Jungle Gym base allowing you to customize the size and shape of your jungle gym. SAFE DESIGN: Includes plastic sleeves on chains and no-pinch joint covers for added protection. Manufacturered by ActivPlay. SKILL BUILDER: Modular design helps children develop gross motor skills while having a blast with friends and family. SAFETY FIRST: Meets and exceeds all ASTM safety standards making it an outdoor play set you can rely on.