My Boyfriends Birthday falls on 25th Dec(Christmas),being in a long term relationship,what special can i do?

He is turning 24 this year,on 25th Dec..he stays far from me and will leave my country soon for a long time...what special surprise can i give him?i can mail him,post him letters,call him up,and too an extent..i can courier him some small and not-too-expensive stuff...suggest me something??