I want to surprise my boyfriend for his bday!!bt i need help!!?

hey so me n my boyfriend have been together for a yr n six months n his bday is in 2 weeks n i wanna surprise him he is turning 16 and i wanna lke do something really cute n special for his bday!! a lil bout him is he lkes to play basketball!! he lkes the color green n he plays the guitar!!sooo nebody got any suggestions???!!! thanks for the help!!!