Kayan Horo da Wasa Mafi ƙanƙanin bangon hawan dutse a duniya. Boulderball shine farkon kayan horo da wasa haɗe na musamman da aka ƙera don masu hawan dutse, horon ƙarfafa yatsu da dabarun hawan dutse. Ta hanyar samun kwarin-gwiwa daga masu hawan dutse, Boulderball ya haɗa ingantaccen kayan horo da wasan motsa yatsu don masu hawan dutse a cikin ƙaramin ƙwallon da za'a iya ɗauka zuwa ko'ina. Ta hanyar sabon tsarin haɗawa (shigar da kunna) wuraren riƙewa suna haɗa tsarin tare da samar da wuraren haɗawa don babban tsarin.
Sunan aikin : Boulderball, Sunan masu zanen kaya : Martin Oberhauser, Sunan abokin ciniki : Boulderball.
Wannan kyakkyawan zane yana cinye kyautar ƙira a gasar shirya zane. Tabbas za ku ga fayil ɗin zane-zane mai ba da lambar yabo don gano sababbin sababbin sababbin abubuwa, sabbin abubuwa, asali da kuma kayan zane-zane masu tsara kayan aiki.