A story that ends in the invention of the decimal system: three kingdoms parade, a revolution follows, and what comes out of it is the way we write numbers. It is written to prepare a child for the Arithmetic Trinomial Cube, which is the material the story is really about and which is sold separately. Stories do a particular job in the elementary years, since they give a child a reason to want the material before it is ever presented. Paper.
“Education is a natural process spontaneously carried out by the human individual, and is acquired not by listening to words but by experiences upon the environment.”
The Story of The Three Kings emerges from Maria Montessori's understanding that young children grasp abstract mathematical concepts through concrete manipulation of objects. These three wooden cubes in graduated sizes allow children to physically explore size relationships before they can articulate them verbally.
The material's storytelling element engages the child's imagination while their hands discover mathematical truths about volume, dimension, and proportion. Each wooden cube represents a different 'king,' transforming abstract size comparisons into concrete characters children can manipulate and understand. The Story of The Three Kings builds the sensorial foundation for later work with the pink tower and brown stair, as children internalize concepts of 'large,' 'larger,' and 'largest' through repeated handling of these precisely crafted wooden forms. This progression from story to mathematics reflects Montessori's observation that children learn best when abstract concepts are embedded in meaningful, manipulable contexts.


Follow the Montessori method of presentation for optimal child development.
Place the three wooden cubes on a mat, arranged randomly. Sit beside the child, ensuring both of you can easily reach the materials.
Introduce each cube as a 'king,' starting with the largest: 'This is the Great King'
Present the medium cube: 'This is the Middle King,' then the smallest: 'This is the Little King'
Tell a simple story involving the three kings going on a journey, using size-appropriate language
Invite the child to arrange the kings from smallest to largest for their 'royal procession'
Encourage the child to create their own story using the three kings

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Since 1929

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Introduces concepts of size gradation, comparison, and seriation essential for later mathematical work.
Develops the ability to perceive differences in dimension through hands-on manipulation of graduated objects.
Present this material before the pink tower to establish size discrimination with fewer objects
Everything you need to know about this material.
Contact Our ExpertsThis material introduces size comparison, seriation, visual discrimination, and spatial relationships. Children learn to order objects by size, understand concepts of small/medium/large, and develop mathematical language while exploring the three graduated wooden cubes.
Children begin by exploring the cubes freely, then learn to order them by size. They can stack, nest, or line them up while developing stories about three kings of different sizes. The material supports both sensorial exploration and creative storytelling.
The set includes three solid wooden cubes in graduated sizes, typically ranging from approximately 2cm to 6cm. They are crafted from smooth, natural wood with rounded edges for safety and painted in attractive colors to engage young learners.
Yes! Children can use the cubes for building, pattern-making, counting, and creative play. They serve as props for storytelling, can be traced for art activities, and help with vocabulary development using comparative language like bigger, smaller, and equal.
This age group is in the sensitive period for order and sensorial exploration. The material's concrete nature appeals to young children who learn through manipulation, while the storytelling aspect engages their growing imagination and language development.
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