Dr. Montessori's Own Handbook. Maria Montessori Montessori

(b) colored alternately red and blue.

      (c) Various geometric solids (prism, pyramid, sphere, cylinder, cone, etc.).

      (d) Rectangular tablets with rough and smooth surfaces.

      (e) A collection of various stuffs.

      (f) Small wooden tablets of different weights.

      (g) Two boxes, each containing sixty-four colored tablets.

      (h) A chest of drawers containing plane insets.

      (i) Three series of cards on which are pasted geometrical forms in paper.

      (k) A collection of cylindrical closed boxes (sounds).

      (l) A double series of musical bells, wooden boards on which are painted the lines used in music, small wooden discs for the notes.

      Didactic Material for the Preparation for Writing and Arithmetic

      (m) Two sloping desks and various iron insets.

      (n) Cards on which are pasted sandpaper letters.

      (o) Two alphabets of colored cardboard and of different sizes.

      (p) A series of cards on which are pasted sandpaper figures (1, 2, 3, etc.).

      (q) A series of large cards bearing the same figures in smooth paper for the enumeration of numbers above ten.

      (r) Two boxes with small sticks for counting.

      (s) The volume of drawings belonging specially to the method, and colored pencils.

      (t) The frames for lacing, buttoning, etc., which are used for the education of the movements of the hand.