Spin Racer...
Boomerang (three-bladed) easy to throw and to catch. Ideal for beginners and training. Circular flight.
The polypropylene model is very accurate without wind or with gentle
winds. You can use it in a gymnasium (short range). The carbon fiber model is good with wind. ESSENTIAL!
Originator: Christian JABET, professor of technology and brilliant inventive. World recordman of distance in 1989 (149 m exceeded), it was Inscrit in Guinness of the records in 1990.