This is a vintage children's interlocking train made by Playskool in the 1950s.
The train is made of wood and has 4 connecting pieces in yellow, red, blue, and green. The front train engine has the words "PLAYSKOOL" written on both sides in yellow.
Each piece measures approximately 7.5" long, 2.25" tall and 2.25" wide. This train set was made in the United States.
These pieces come in good pre-owned condition with paint wear from age and use.