Members of the general public enjoy the “BEACH” at the National Building Museum August 25, 2015 in Washington, DC. The “BEACH” is an interactive architectural installation, with an “ocean” of nearly one million recyclable translucent plastic balls, that brings the experience of going to the beach indoor. (Photo by Alex Wong/Getty Images)

A woman peers out through a glass wall of the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. The installation is hosted at the agency's new SoHo office and open to the public from August 21 till September 21, to promote how play can yield results for creative thinking. (Photo by Mike Segar/Reuters)

A man leaps into the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

People play in the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

People play in the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

People play in the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

A man does a flip into the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

People play in the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

A man dives into the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)

A woman smiles as she is buried under white balls in the “JumpIn!” ball pit, an interactive art installation by creative agency Pearlfisher made up of 81,000 white balls, in New York City August 25, 2015. (Photo by Mike Segar/Reuters)