There are over 500 die-cast toy FAQ on WikiAnswers.

It means a toy shrunk down to scale, but it is meant to be a replica of a real person, place, or thing.

Custom Die Casting is when you do a "Make-Over" to a die-cast toy. For example: I have a Hot Wheels Car and I decide to color it all red with a Sharpie. It is now a Custom Die Cast

Die cast cars can be purchased at a variety of retail stores. Some stores that carry die cast cars include Mint Models, Legacy Motors, KMJ Diecast Store, and Toy Wiz.

Sam Toy died in 2008.