The Slackers Flying Saucer Swing Seat is compatible with any Slackers Zipline Kit, as well as any swing set, for extreme backyard fun day or night. . Seat features 30 super bright LED lights for nighttime fun. Foam pad strip attaches to the top edge of the seat for added safety. Can be used with any Slackers Zipline kit also attaches to any swing set. Includes Flying Saucer swing seat, rope, foam padding strip, and instruction book. Intended for use by children ages 3 to 8. 3 AA batteries required included. Weight: 2.67 lb.