Summitpark, from furniture manufacturer Landscape Structures

Toy dimensions:

Total Area: 98' x 91' (29,87 m x 27,74 m)
2-5 Area: 38' x 37' (11,58 m x 11,28 m)
5-12 Area: 60' x 55' (18,29 m x 16,76 m)

https://www.playlsi.com/en/commercial-playground-equipment/playgrounds/summit-park/ 

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured considering PBR