Nienhuis Montessori, Page 24

In this story one can read how the red and the blue king build a castle together.

The book The Secret of Childhood is divided in three sections, dealing in turn with early childhood development, the author’s educational method, and the relation of the child...

This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with the Brown Stair indirectly prepares the child for...