They don't run every day, but if you're interested in signing up then I would take a look at their events page and their Facebook page.
Iska garo maalin kasta hadiyad ma ahan, laakin micnaha waad fahantay ayaan filaa,Fadlan Haddii aad ka Hesho warbxintaan fadlan hanaga bakhiilin in naad u sii gudbiso asxaabtaada Facebook