Turning into plastics the "slinky toy" steel coil designed by Richard T. James in 1948 in USA, these made in China anonymous toys flooded brazilian streets in the 1990s. They were machined out of Polystyrene tubes.
A slinky dog, made famous in the Disney film "Toy Story," is a coiled spring toy with a dog tail and head attached. In the movie, one of the characters is a slinky dog named Slink. With a few simple materials and basic sewing skills, you can make a slinky dog costume at home.