King Sphere & King Cube: Curved & Angular Form Relationship Study

Price

€17.66

Final price - seller not VAT-registered

Shipping & Delivery

In Stock · 2-3 days

Quantity

Age Range3-6 Years

MaterialDurable blue plastic

DimensionsApprox. 30 × 20 × 10 cm

CertificationAMI Approved

About

This unique geometric solids set gives young learners a first look at the relationship between curved and angular forms through active discovery. The collection features ovoid shapes alongside traditional geometric solids, encouraging children to discover how different three-dimensional forms relate to one another in space and promoting advanced shape discrimination skills.

“The senses, being explorers of the world, open the way to knowledge.”

- Maria MontessoriThe Discovery of the Child

AMI ApprovedOfficial Nienhuis

Free ShippingSee shipping rates

2-Year WarrantyQuality guaranteed

Everything You Need

3 Ovoid FormsDifferent sizes with clear bases

CubeBlue geometric solid

CylinderBlue geometric solid

PyramidsMultiple triangular-based forms

ConesVarious sizes

Clear Support BasesFor stabilizing rounded forms

The Montessori Method

The geometric solids embody Dr. Montessori's principle of providing concrete experiences before abstract understanding. By manipulating three-dimensional forms, children develop their stereognostic sense, the ability to perceive and understand shapes through touch and movement. This material bridges the gap between curved and angular forms, allowing children to discover mathematical relationships through sensorial exploration. The juxtaposition of the sphere's infinite curved surface with the cube's defined edges and vertices creates a profound contrast that children can feel and internalize. Through repeated handling, children build mental representations of these forms, preparing them for later geometric studies. The material respects the child's need for order by presenting clear, isolated concepts while encouraging discovery of relationships between different geometric families.

✹Refined stereognostic sense through handling three-dimensional forms✹Visual and tactile discrimination between curved and angular surfaces✹Understanding of geometric relationships and spatial awareness✹Development of mathematical vocabulary for describing 3D shapes✹Preparation for geometry through concrete sensorial experiences

King Sphere & King Cube: Curved & Angular Form Relationship Study - Child learning

AMI Approved

Activity Guide

Step by Step to Mastery

6 steps to mastery

Model careful, deliberate movements to show respect for the material

Close your eyes briefly to emphasize the tactile experience

Trace edges and vertices with fingertips to highlight the angular nature

Allow silence during exploration for maximum concentration

Wait until after sensorial exploration to introduce language

Let the child discover that the ovoid rolls in a curved path

Browse steps

Model careful, deliberate movements to show respect for the material

Close your eyes briefly to emphasize the tactile experience

Trace edges and vertices with fingertips to highlight the angular nature

Allow silence during exploration for maximum concentration

Wait until after sensorial exploration to introduce language

Let the child discover that the ovoid rolls in a curved path

Developmental Benefits

Why Educators Choose This

Spatial Intelligence

Children develop understanding of three-dimensional space by comparing curved and angular forms.

Mathematical Mind

Introduces geometric concepts and relationships between different solid forms through concrete manipulation.

Visual Discrimination

Refines ability to distinguish between subtle differences in shape, size, and form characteristics.

Language Development

Enriches vocabulary with precise geometric terms like ovoid, cone, pyramid, and cylinder.

Observe without interrupting, allow the child to make their own discoveries about how shapes move and relate

Use precise mathematical language consistently

faces, edges, vertices, curved surface, angular

Create indirect preparation for geometry by having children trace around the bases of solids on paper

Pro Tip

“Present this material after the child has worked with simpler sensorial materials like the pink tower and brown stair”

The Gold Standard in Montessori

Every Child Is a Little Creator

Heritage

Since 1929

Brands used by

schools worldwide

European brands

AMI

Endorsed

Have Questions?

Frequently Asked Questions

Everything you need to know about this material.

Contact Our Experts

What shapes are included in the King Sphere and King Cube set?

This set includes both curved forms (sphere and ovoid shapes) and angular forms (cube and other geometric solids), allowing children to explore the contrast between rounded and straight-edged three-dimensional shapes.

How does this material support sensorial development?

Children develop refined tactile discrimination by feeling the smooth curves versus flat surfaces, enhance visual perception by observing different forms, and build spatial awareness through hands-on manipulation of 3D shapes.

What activities can children do with these geometric forms?

Children can sort shapes by curved vs. angular properties, trace around bases to discover 2D shapes within 3D forms, roll and stack to explore movement properties, and engage in matching exercises with corresponding shape cards.

Why is this material suitable for ages 3-6?

At this age, children are developing concrete understanding of spatial relationships and can grasp abstract concepts through hands-on exploration. The material's size and complexity are perfectly calibrated for their developmental stage and fine motor abilities.

How does this relate to other Montessori sensorial materials?

This set complements the traditional geometric solids, mystery bag activities, and stereognostic exercises. It serves as an advanced extension that introduces more complex shape relationships and prepares children for later geometry work.

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