If children experiment with the idea of a circle containing 360 degrees while in a Logo environment, they will understand how to use those ideas as tools that they can apply to other problems over their lifetime. It will provide a long-awaited "aha" of comprehension to students, and the intuitive recognition of a very powerful idea.
Harris, J. (1990). Turtling around in circles. Logo Exchange, 9(2), 14-16.