Picture Perfect Playgrounds, Inc.
Rock-Paper-Scissors is a game played to settle disputes between two people. Thought to be a game of chance that depends on random luck similar to flipping coins or drawing straws, the game is often taught to children to help them settle arguments between themselves on their own without adult intervention.
Solitary play, also known as independent play, is one of the earliest stages of play where children play alone because they have not developed socially to be able to play with others yet or because they choose alone time.
The Ambiguity of Play was written by Brian Sutton-Smith and published in 1997. As a leading play theorist, Sutton-Smith considers the possible meanings of play as they have been debated and described in a range of disciplines including education, biology, psychology, and sociology.
Lionel Limited Liability Corporation, known as Lionel L.L.C., is a manufacturer and marketer of toy and model trains, including historically accurate locomotives, rail cars, and accessories. Their mission is to "keep the magic of the Lionel tradition living for another 100 years."
Johann Heinrich Pestalozzi was a social and educational reformer and writer in Europe during the late 18th and early 19th centuries. He believed that society could best be changed by education and that reform began with assisting the individual students to help themselves.