As New York City developers are competing to attract buyers to the latest luxury buildings, more are putting in unique amenities.

One of the newest rental buildings to do so is House 39 in Murray Hill. Located at 225 E. 39th St. the 36-story, 297-unit curved glass tower is LEED-certified.

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Traditional amenities include a fitness center and roof terrace. But the building additionally features a library, and conference center with individual workstations. For those — young and old — looking to relax, there are an outdoor children’s playground and indoor children’s clubhouse; an arcade and game room, featuring skee ball, ping pong, billiards table and a photo booth; and a great lawn with bocce ball and shuffle board.

The fitness center features a yoga studio and Turkish bath, while the rooftop has access to indoor and outdoor hot tubs, a rooftop pool and party room, cabanas, outdoor fire pit and gas grills.