Kumihimo Japanese Braiding Kit for Men is great for teenage guys. My nephew loves his choker and wrist band and gets asked about them everywhere he goes. They are made out of black and natural color hemp and can be embellished with guitar strings, beads, and other things. They are very cool. Because the guys make them they can customize them as they wish. It's also a great way to introduce boys to crafts.
A Good Gift for a boy who wants to be a cowboy is a cowboy hat or boots
The TI-83 would be a good gift for a teenage boy for Christmas.
Yes, Sonic the Hedgehog is a good gift for a 17 year old boy.
A Fender American Telecaster is a great gift for a teenage boy.
a girlfriend
nothing
Star Wars figures are a good gift for a boy. You could also give them the DVDs so that they can further enjoy Star Wars.
Diapers are always an essential gift for any boy/girl because it's a gender neutral gift. A baby blanket with the boy's name on it is also another good idea.
jack daniels.
Boots hat horse
Your treasure box.
cd's or a ipod