The Gifts are progressively sequenced in a gradual shift from the concrete idea of solid forms to the abstract idea of the point. The final Gift brings the cycle full circle, combining the point and line to create the framework of solid forms. In this way, solid forms have become an abstract idea, composed of arbitrary lines and points (imaginary three-dimensional solids). For this experience, all the previous Gift play has built a foundation in the child as he/she internalized this experience.