For old fashioned fun that encourages activity opt for the durable design of the Rung Rope Ladder from Lifespan. Pine wood rungs for strength and durability, strung with rope for a lasting structure Gentle but durable ropes to avoid rope burn when playing Treated with weather resistance for longer lasting quality under the Australian sun Strong rings attach to any swing set hooks or Lifespan play centre (not included) for easy installation Suitable for ages 36 months and older Easy to assemble, taking one adult less than ten minutes to put together, for your convenience Adult supervision is recommended at all times for safe use.