SEXY BIRTHDAY SURPRISE

ok so like my boyfriend's birthday is comming up and i want to do something that we've never done before. I want to blind fold him and do sexy and kinky things to him but I'm not so sure what to do. If amy of you have done this please leave some helpful tips and tricks. What kinds of things do you do. I know it depemds on what he likes but i want to know the different choices and stuff to try new things too and kind of experiment ?? Idk just help me please lol