Birthday daredevils can aerially zoom across the Bronx River on a zip line at this park operated by the Wildlife Conservation Society, and climbers can try their hand at treetop courses that feature challenges like rope Bowlmor Lanes bridges, tightrope walks and ladders. The 90-minute Yellow package includes invitations and, for the birthday star, a free T-shirt and return ticket for free access another day; the Green package grants one-hour access to a private room, plus pizza, cake and goodies for all. Each session includes training and prep time. Attendees must be between 50 and 275 lbs. and able to reach a height of 5’6”. Ages 7 and up.