Consider using crushed granite in children's play areas as a safe ground cover; its soft texture cushions falls while

https://www.scribd.com/document/890577631/Crushed-Granite-vs-Gravel-What-s-the-Best-Choice-for-Your-Landscape-229599

Consider using crushed granite in children's play areas as a safe ground cover; its soft texture cushions falls while allowing water drainage beneath swings or slides.