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Visual Discrimination

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Cylinder Blocks

Material Four rectangular blocks made of wood.Each block has ten holes which can be paired correctlywith only one corresponding knobbed...

Pink Tower

Material Ten pink wooden cubes that range progressively from 1 cubic centimeter to 10 cubic centimeters.   Presentation Invite the child...

Brown Stair

Material Ten brown-stained (or painted) wooden prisms that range progressively from 1x1x20 cm, 2x2x20 cm, 3x3x20 cm, up to 10x10x20...

Red Rods

Material Ten wooden rods painted red, different in one dimension: length. The shortest rod is 10 cm long and each...

Color Box 1

Material A box containing six tablets made of lightweight wood, a pair of each primary color: red, yellow, blue. Presentation...

Color Box 2

Material An oblong box containing 22 wooden tablets in 11 pairs – red, blue, yellow, orange, green, purple, pink, brown,...

Color Box 3

Material A large box with compartments for 63 tablets – 9 colors, each color consisting of 7 shades: red, blue,...

Geometric Cabinet

Material A wooden cabinet with six drawers and one presentation tray, each painted blue inside and containing six wooden squares...

Botany Cabinet

Material Cabinet with three drawers containing wooden frames and insets of leaf forms.The insets are fitted with a knob.The insets...

Binomial Cube

Material 2 wooden cubes, 6 rectangular prisms, painted red, blue, and black which form a cube (a+b)^3. The box has two...

Trinomial Cube

Material 3 wooden cubes, 24 rectangular prisms, painted red, blue, yellow and black which form a cube (a+b+c)^3. The box...

Graded Geometric Figures

Material Set of circles, triangles, and squares of varying sizes and colors which will inscribe within each other. Each set...

Sensorial Decanomial

Material Squares and rectangles in colors corresponding to the bead stair, representing the factors of the decanomial square (Square of...

Knobless Cylinders

Material Four boxes of different colors, each containing a set of cylinders that match the dimensions of the four cylinder...

Roman Arch

Material Pictures of Roman Arches, ancient, modern, and local.  Wooden base for building the arch. Support, lever, semicircular block.  Basket with 9...