Geometric Solids — Ten 3D Forms for Tactile Shape Exploration
The Geometric Solids introduce children to three-dimensional forms through tactile exploration. This essential Sensorial material features ten distinct geometric shapes in a vibrant blue finish, so that children discover relationships between 2D and 3D forms while developing stereognostic sense and mathematical vocabulary.
“The hands are the instruments of man's intelligence.”— Maria MontessoriThe Absorbent Mind
The Geometric Solids embody Dr. Montessori's principle that the hand is the instrument of the mind. Through tactile exploration of these three-dimensional forms, children build concrete experiences that later support abstract mathematical understanding. This material bridges the gap between the child's sensorial experiences and mathematical concepts, allowing them to absorb the essential qualities of each solid through touch before they can name or define them. The stereognostic sense - the ability to recognize forms through touch alone - is refined as children explore these shapes with closed eyes, creating mental impressions that become the foundation for geometry. This work satisfies the child's need for order and classification while preparing the mathematical mind through concrete manipulation of perfect geometric forms.
Step by Step to Mastery
Model slow, deliberate movements to emphasize the weight and form of each solid
Use minimal language initially - let the hands discover
Trace edges and count faces silently to maintain focus on sensorial experience
Place contrasting solids in child's hands simultaneously for comparison
Start with most contrasting shapes (sphere and cube) before subtle differences
Use precise mathematical language
'cone,' not 'ice cream shape'
Model slow, deliberate movements to emphasize the weight and form of each solid
Use minimal language initially - let the hands discover
Trace edges and count faces silently to maintain focus on sensorial experience
Place contrasting solids in child's hands simultaneously for comparison
Start with most contrasting shapes (sphere and cube) before subtle differences
Use precise mathematical language
'cone,' not 'ice cream shape'
Every Child Is a Little Creator
Heritage
Since 1929
Trusted by
Schools Worldwide
Handcrafted
in Europe
AMI
Endorsed
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