Part of the perfect boomerang range the Outdoor Booma is made from soft and safe "Memorang" polymer to keep it's shape. Do you ever wonder if it's actually going to come back? With Duncan each Booma can be tuned to change the range and make sure it comes back. Massive flight range of 50'-70'. Tri-blade design that ensures a stable and accurate return flight every time. All Duncan Booma models can be "tuned" to adjust the flight range and characteristics. Incredibly easy to throw and catch; Instructions on the back of packaging!