A set of 2 cloth bags.

Box with 19 wooden prisms (1x1x20 cm) in a natural wood finish. Used to compare and calculate the volume of the prisms of The Brown Stair.

Through touch, the child pairs the fabrics according to varying textures. Includes: fabrics in cotton, wool, jute, silk, leather and synth...

Five pairs of varying smooth surfaces mounted on solid beechwood tablets 12 x 9 cm. Includes a box for storage.

This board introduces the child to gradations of smoothness. The board measures 30 x 15 cm.

This set of 3 boards forms the introductory materials for development of the tactile sense and prepares the hand for writing. The first board intro...

5 pairs of varying grades of rough surfaces on on solid beechwood tablets 13.5x9 cm. Includes a box for storage.

The Baric Tablets introduce and refine the concept of the baric sense. While blindfolded, the child endeavors to discern the weight of the tablets....

The Thermic Tablets are used to cultivate the ability to discriminate thermic qualities. Consists of a wooden box divided into 6 compartmen...

Thermic sense is refined through exercises of pairing and grading. The bottles are chrome-plated copper for conductivity, and are identical...

The Sound Boxes develop auditory discrimination through exercises in pairing and grading a series of sounds. This item consists of two sets...

The Red Rods develop visual discrimination of length, while height, color and width remain constant. Ten solid wooden rods increasing in length in ...

The Knobless Cylinders are the final stage in the dimensional material where the child, based upon his ability to discriminate, places the individu...

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

The Constructive Blue Triangles are used in the elementary Montessori classroom to explore equivalency, congruency and similarity. Includes 12 righ...

The sets of Circles, Squares And Triangles provide the possibility for the child to explore and experiment with the three basic geometric s...

The Constructive Triangles give the child practical experience in plane geometry. The set consists of: 2 rectangular boxes, 1 triangular box, 1 sma...

The First Box Of Color Tablets introduces color and refines the chromatic sense. Consists of 6 wooden tablets - a pair each of the primary ...

The Second Box Of Color Tablets introduces secondary and tertiary colors as well as the language of colors. The box contains 22 wooden tablets, a p...

The Binomial Cube is a concrete representation of the algebraic formula (a + b) The factors of the equation are represented by cubes and prisms. Th...

A box to practice eye-hand coordination and become familiar with object permanence.

A box to practice eye-hand coordination and become familiar with object permanence.

A box to practice eye-hand coordination. The child inserts the knit ball in the round hole and then insert the hand in the wider opening to take it...

A box to practice eye-hand coordination.