Design and Construction
http://whishhbone.freeyellow.com/construction.html (Rank: 718969)
http://www.btinternet.com/~fulton/boomerng.htm (Rank: 939296)
http://www.mrdunston.com/boomerang (Rank: 1801473)
http://www.geocities.com/cmorris32839/ (Rank: 1905163)
http://www.tyler.net/psteigman/ (Rank: 1958204)
http://www.grc.nasa.gov/WWW/K-12/TRC/Aeronautics/FINGER_BOOMERANGS.html (Rank: 2089457)
http://www.science.edu.sg/ssc/detailed.jsp?artid=3794&type=4&root=205&parent=205&cat=237 (Rank: 2530480)
http://www.reachoutmichigan.org/funexperiments/agesubject/lessons/other/Four_Wing_Boomerang.html (Rank: 2569674)