tristar boomerangs - molded fast catch competition boomerangs colorado boomerangs tristar boomerangs are custom molded competition boomerangs for the fast catch boomerang competition event. they can be thrown by kids as young as 8 but they are best utilized by more experienced throwers or teenagers. they are designed to be thrown low and hard in competition events but beginners can throw and catch them like a hobby boomerang as well. it is good to have a fast catch boomerang in your bag for eventual use if you do take part in a regional competition event. these are molded plastic airfoils and very lightweight ( 1.7 ounces total weight ).