That depends on what the 20 yr old is in to. Such as sports, Video Games, music etc. A sports jersey is always good if you know what team he is interested in. A gift certificate for a store of interest for him is also an idea. Its always better to get something that is of interest to him.
There are severl different wonderful choices but 13 year old boys usually like gift cards or clothes from West 49, Hollister, Abercrombie or Aeropostale.
make up a trust fund for him or get him a whole load of toys
Yes, Sonic the Hedgehog is a good gift for a 17 year old boy.
It can be difficult sometimes buying presents that suit a particular person. Good gift ideas for a boy can be found by browsing Amazon where they sell everything from books to the latest toys and games.
A Wii.
I think a really good gift depends on the boy and what he likes, but I think the best gift for a 14-16 year old is to take him shopping & if it's ur boyfriend then go out to eat with him and watch a movie or something
There are a number of places that offer gift suggestions for teenage boys. Some places with teenage boy gift suggestions include Hub Pages, Amazon, U Gift Ideas, and Find Gift.
a girlfriend
A motorcycle
A 10 year old boy would love a gift basket, especially a theme one like pokemon and spongebob.
if i had a 15 year old boy i would give him a phone or a labtop
x box ps3 any online video game aka Halo/CoD4-5 or if a sportsey get bike scateord avrege stuff