A little boy sat in his sandbox one Saturday morning. He was playing with his pail and shovel as well as a number of toy cars and trucks. As he went about building roads in the soft sand, he came across a large rock at the bottom of his sandbox. He dug around the rock then pushed and shoved it until he had pried it loose. Then he tried to move it off to the side of the sandbox with the hopes of getting it up over the small wall and out of the sandbox.