Abakus A baya, abakus yana da kusurwoyi madaidaici, amma yanzu an sake haifar da shi da ƙira mai laushi wanda ke da kusurwoyi zagagge domin yara su iya amfani da shi ba tare da damuwa game da lalata wani abu da wannan kayan ba. Ƙiran baya amfani da sukurori, ƙusoshi, ko abin mannewa, wanda ya sanya ya zama kayan aminci ga ƙananan yara. Ta hanyar samun launuka daban-daban waɗanda yara suke so, zaɓuɓɓukan sun faɗaɗa. Bugu da ƙari, an rage adadin sassa da kashi 40%, wanda ya sanya kera ya zama sauƙi kuma mafi inganci.
Sunan aikin : Soroban Colette, Sunan masu zanen kaya : Toshihiko Sakai, Sunan abokin ciniki : Asahi Printing Co., Ltd..
Wannan babbar ƙirar nasara ce ta lambar yabo ta tagulla a cikin gine-gine, ginin da ginin tsarin ƙira. Tabbas ya kamata ka ga jigon zane na ƙirar mai ƙirar tagulla don gano sauran sabbin abubuwa, sababbi, na asali da na kirkirar gine-gine, ginin ginin da kuma ayyukan tsari.
