Is this museum also known as the toy hall of fame..or is that just a part of the museum it's self?..

Part of the Museum

Its upstairs in the museum, its all one thing

You can buy toys here too at the shop at the entrance to the museum.

There is a shop near the entrance, yes.

It's also referred to as the national museum of play, and it includes some interesting exhibits centered around the history of different toys

That is just part of the museum.

It is a small part of the entire museum.

Part of..

Can I purchase toys there as well?..and being a child at heart can adults play?

Best place ever