Free-form play structure.
"A radical departure from traditional play structures, this sculpturally beautiful piece challenges children to play in a different way. The free-form flowing shape defies flat planes and presents an appearance of organic movement. A drastic departure from static playgrounds, children are challenged to move their bodies around a constantly flowing shape.". For kids 5 - 12 years old. A good age to start thinking about infinity... Via IDFuel.

LINK: ltcps.com
LINK: idfuel.com