The X Kites Kite Handler Kite String Winder is a set of 2 15LB x 300 ft nylon strings in yellow, designed for outdoor play and suitable for ages 8 and up. This custom bundle includes a winder to easily manage and store the kite strings, making it convenient for kite enthusiasts of all ages. Perfect for both boys and girls who enjoy flying kites, this product is part of the Kite character family and is sure to provide hours of fun in the sun.