Get ready for hours of fun in the backyard, pool or beach. Assembly is easy! Pivoting top and bottom pieces, secure with attached string. Determine the direction of the wind and holding your boomerang at a 10-30° angle, throw it at a 45° angle towards the wind and watch it fly. Practice makes perfect! (Remember to always throw your boomerang in an open, outdoor space). Bamboo and cotton. Ages 8+.