Visual
Ten pink wooden cubes varying progressively from 1cm³ to 10cm³.
What is the Pink Tower?
A blindfolded exercise where children sort mystery items entirely by touch.
What is the stereognostic bags?
Two sets of six wooden cylinders that emit different sounds when shaken.
What are the sound cylinders?
A variation where a child matches or grades materials over a long distance.
The term used to describe arranging objects in a series based on a changing dimension.
What is grading?
These four distinct wooden blocks hold cylinders varying by height, diameter, or both.
What are the cylinder blocks?
Wooden boards containing alternating strips of sandpaper and smooth wood.
What are the touch boards?
A set of small white bottles containing cotton balls soaked in various scents.
What are the smelling bottles?
A game where a guide removes one item from a layout while the child looks away.
What is hidden object?
The classic Montessori three-step vocabulary presentation method.
What is three period lesson?
A wooden box with pull-out drawers containing various blue geometric planes.
What is the geometry cabinet?
Wooden tablets that look identical but vary strictly in weight.
What are the baric tablets?
Two sets of small bottles filled with liquids of varying heat.
What are the thermic bottles?
An environmental extension where a child brings an object from the room that matches a specific color tablet.
What is an environment matching game?
Opposite descriptor terms like thick/thin, broad/narrow, or deep/shallow.
What are the extremes?
Ten red wooden prisms that vary only in length, ranging from 10 cm to 1 meter.
What are the red rods?
Small fabric swatches of matching textures (like silk, wool, and cotton) sorted while blindfolded.
What are the fabric boxes?
Dropper bottles containing sweet, sour, salty, and bitter liquids used to refine the tongue's receptors.
What are the tasting bottles?
A blindfolded exercise where a child uses their muscular and tactile memory to trace and build a 3D material, like constructing the Pink Tower or Brown Stair completely by touch.
What is the blindfold extension?
The specific phrase used to describe the primary purpose of a material, like "isolation of a single quality."
What is the control of error?
Three boxes containing tablets for matching and refining visual sense.
What are the color tablets?
Metal or wooden plates of different temperatures used to refine the thermal sense.
What are the thermic tablets?
The musical concept taught using the bells when a child finds the exact matching tone in the second set.
What is pairing?
Stereognostic games where children sort objects like buttons or beads into different containers while blindfolded.
What are the stereognostic bags?
Dr. Maria Montessori's term for the physical items that materialize an abstract mathematical or sensory concept.
What are materialized abstractions?