We discovered that education is not something which the teacher does, but that it is a natural process which develops spontaneously in the human being.
— Maria Montessori

VIDEO: Stacking Rings

[youtube https://www.youtube.com/watch?v=1XpDJLyM5JY] Here, Alexander is using a portion of the Tower of Hanoi (a logic puzzle I've had for years!). On his own he decided to separate the dark from the light rings.

You can purchase a Tower of Hanoi here.

VIDEO: Pillows on the Floor

VIDEO: Nesting Dolls