Ndife odziwika-odziwika bwino kuti ndife m'modzi mwa akatswiri opanga ndi ogulitsa ma board a marble ku China. Tikukulandirani ndi manja awiri kuti mugule bolodi yotsika mtengo yotsika mtengo ya marble kuchokera kufakitale yathu. Maoda makonda ndi olandiridwa.