what should i do for my 16th i have no idea but i want it to be unique and fun help me?

i want it to be special and fun but i don't really know any guys so i don't know who to invite.

and what theme or if i should even have one i want to have it at home because we have room in our garage and backyard.

but i don't know what i should do to make it fun.

i don't know how many people to invite either but i want have a really good time to cheer me up.