Ku qor sii wadida faqradan - Heerarka dhalinyarada yar yar, Kulboka wuxuu matalayay Lithuania marxaladda caalamiga ah dhowr jeer, oo ay ku jiraan 2014 FIBA Europe Under-16 Championship iyo 2015 FIBA Europe Under-18 Championship. Waxa uu dhaliyay 15.7 dhibcood ciyaar ciyaareedkii 2016 FIBA Europe Under-18 Championship, isagoo ku sii jeeda bilada lacagta. Wuxuu sidoo kale u tartamay Lithuania 2017 FIBA Under-19 Basketball World Cup
, oo celcelis ahaan koox ahaan u helay 13.7 dhibcood tartankiiba. 26-kii Febraayo 2018, Kulboka wuxuu u saftay xubin ka tirsan xulka qaranka Lithuania, isagoo dhaliyay sagaal dhibcood, wuxuu qabsaday shan rebounds iyo laba caawin, wuxuuna gacan ka geystay inuu burburiyo xulka qaranka Kosovo, oo leh dhibco 106<unk>50, inta lagu gudajiray isreebreebka Koobka Adduunka ee FIBA ee 2019.