An unpainted cube of one centimetre, sold as a single piece. It is the same size as the smallest cube of the pink tower and deliberately bare: the tower's colour carries a meaning, and there are places in the work where that meaning is in the way and a plain cube of the same size is what is wanted. Natural wood, no finish, one centimetre on every side. The pink tower and its painted cubes are separate items.
“The greatest sign of success for a teacher is to be able to say, 'The children are now working as if I did not exist.'”
The Unpainted Cube: 1x1x1 cm represents the foundation of dimensional understanding in Montessori mathematics. This single cubic centimeter introduces children to the concept of volume through direct manipulation of a precise geometric form.
The natural wood surface of the 1cm cube engages the child's tactile sense while its exact dimensions establish a concrete reference point for mathematical abstractions. In Montessori classrooms, this small wooden cube becomes the building block for understanding larger mathematical concepts - ten cubes form a ten-bar, one hundred create a hundred-square, and one thousand construct the thousand-cube. The unpainted finish eliminates visual distractions, allowing children to focus purely on the cube's dimensional properties and its relationship to other mathematical materials. Through handling this fundamental unit, children develop an embodied understanding of measurement, quantity, and spatial relationships that will serve as the sensorial foundation for advanced mathematical thinking.


Follow the Montessori method of presentation for optimal child development.
Place the 1cm cube on a small tray or felt mat at the child's workspace. Ensure hands are clean and dry for optimal tactile experience with the natural wood.
Invite the child to hold the cube between thumb and forefinger, exploring all six faces
Place the cube on the mat and trace around each face with the index finger
Compare the cube to other classroom materials by placing it alongside them
Count edges (12), vertices (8), and faces (6) by touching each element

Heritage
Since 1929

Brands used by
schools worldwide

European brands

AMI
Endorsed

Introduces the concept of cubic measurement and serves as a concrete representation of volume units.
Develops discrimination of dimension through tactile and visual exploration of precise measurements.
Store multiple 1cm cubes in a small container for grouping activities and decimal system work
Everything you need to know about this material.
Contact Our ExpertsThe cube measures precisely 1cm x 1cm x 1cm, making it a perfect unit cube for Montessori sensorial and mathematical activities.
The natural unpainted wood finish allows children to focus purely on dimension, form, and texture without color distraction, while also ensuring the material is safe and non-toxic for young learners.
Children can use it for size comparison, building patterns, exploring volume concepts, counting, creating geometric shapes, and as a concrete representation of mathematical units.
This cube is designed for ages 3-6. Due to its small size (1cm), it may pose a choking hazard for children under 3 years and should only be used with appropriate supervision.
It provides hands-on, concrete manipulation of abstract mathematical concepts, allowing children to physically explore dimension, volume, and quantity through self-directed sensorial experiences.
Trusted across Europe
Premium educational materials, trusted by Montessori educators and families across Europe.

Faborino quality
Montessori-aligned