Suggest me a birthday gift for a 17 years old boy.

Try any of these depending on what you can afford

Models

Guitars

Camping Gear

Guns and Hunting (I got my first gun at 12 going hunting with grandma and grandpa

It depends on what he likes. Maybe a gift card for his favorite restaurant

a 17 year old girl

Watch

Gift card to a buffet. Can’t fill them up

A Katana, one of those Japanese Samurai swords! Can't miss with one of those.

a good tickling from his friends

A 19-yr-old girl.

A girl...teenage guys love those

Legos. Nerf guns. All boys love those

A large box of condoms!!!!