just put it in his bag or desk or something, making sure he sees you. if he likes you he will send one back. if you know he will tell his friends or laugh or something hes not worth the trouble.
"I like you. Would you like to give it a shot? =D"
valentine's
Possibly. That completely depends on your relationship to that boy. Also you cant give men/boys much so you should give them dvds, chocolate or a movie ticket!
a car
embarrass them back in front of who they like and then do nice things for your crush then give them a valentine's card
They like you
You can give a gift to anyone you like. It doesn't obligate them, or you, to anything, it's just a gift. There's nothing magical about it.
box of assorted is fine-it's the thought that counts.
Not necessarily, but most probably yes.
People give valentine cards to their valentine or have diner with their valentine. Ususally it is a boy who asks the question "Would you like to be my valentine?".
usually, yes. the girl doesnt want to be to obvious about likeing the boy, so they chose to not give it awy.
a nentendo DS