Introduces the concepts of big and small, using clearly defined shapes and high-contrast colors to nuture infant visual development.

The books are designed and created by following the Montessori teaching method, by means of drawings built up with simple, repeated geometrical forms, minimal details and sharp outlines defined by the colors that are most easily identified by small children: black and white. Progressively complex visual features as well as introducing a third, color, red, which children begin to perceive at the age of three months. The introduction to the third color,...