Pelota purépecha purépecha has a diameter of 12─14 cm. Balls not intended to be set on fire were originally made from hundreds of monarch butterfly cocoons but are now made from natural fabrics. The fireball version is made from wood and used to be dipped in pine resin to be made flammable though today petrol is substituted. Pelota purépecha Pelota purépecha (Spanish for "Purépecha ball"), called Uárukua Ch'anakua (literally "a game with sticks") in the Purépecha language, is an Indigenous Mexican sport similar to those in the Hockey family. A common variant, distinguished as pasárutakua in Purépecha, uses a ball which has
Sport in Catalonia Grand Prix, the Spanish F1 Grand Prix, a DTM race, and several other races. Also of note is the Montjuïc street circuit which regularly hosted the Spanish F1 and motorcycle Grands Prix up to the 1970s. Motorcycling is one of the historical sports, with motorcycle road racing world champions as Àlex Crivillé, Sito Pons, Emilio Alzamora and Dani Pedrosa. In addition Sete Gibernau was one of the top Grand Prix riders in the first half of the 2000s. Also there are many Catalan Motorcycle manufacturers as Derbi, Bultaco, Gas Gas, Montesa and OSSA. Motorcycle trials is also a sport practized