A clock the child builds rather than reads. The components assemble into a working clock, and the face can be swapped between Arabic numerals, Roman numerals divided into minutes, and a sundial. Changing the face is the lesson: the same moment in time looks completely different depending on the system used to write it down, which is exactly the insight that makes telling time click rather than being memorised. A sundial alongside a numbered dial also quietly says that clocks came from somewhere. Wood, metal and plastic, 27 cm, for ages 3 to 6.
“The hands are the instruments of man's intelligence.”
The Solaris introduces time-telling through Montessori's principle of materialized abstraction, where the wooden base and interchangeable rings transform the abstract concept of time into tangible, manipulable elements. By switching between standard numbers and Roman numerals on the Solaris rings, children physically experience different symbolic representations of the same quantities, building flexibility in mathematical thinking.
The Solaris addresses the developmental need for concrete experiences with abstract concepts during the absorbent mind period, when children aged 3-6 construct their understanding of temporal relationships. Unlike traditional clocks, the Solaris's three-ring system allows isolated practice with hours, minutes, or specific number systems, following Montessori's principle of isolating difficulty. This wooden clock learning system bridges the sensorial work with quantities from earlier materials to the abstract work of reading conventional timepieces.


Follow the Montessori method of presentation for optimal child development.
Place the Solaris wooden base on a mat. Arrange the three number rings nearby: standard numerals, Roman numerals, and practice ring. Set moveable clock hands to 12:00 starting position.
Begin with the standard number ring, naming each hour position while touching the numerals 1-12
Demonstrate moving the hour hand to specific positions, stating 'three o'clock' while placing the hand at 3
Introduce the minute hand after mastery of hours, showing 'half past' and 'quarter past' positions
Switch to Roman numeral ring once comfortable with standard time-telling

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Since 1929

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Supports comprehension of number systems, circular counting, and the relationship between different numerical representations.
Bridges concrete manipulation to abstract time concepts through interchangeable visual representations.
Present the Solaris after children have worked with number rods and understand quantities 1-12
Everything you need to know about this material.
Contact Our ExpertsThe Solaris is designed for children ages 3-6 years old, aligning with the Montessori sensitive period for learning time concepts and numerical representations.
The Solaris includes a wooden base clock with three interchangeable number rings featuring standard numbers, Roman numerals, and alternative numerical representations for comprehensive time-telling exploration.
The Solaris follows Montessori methodology by providing hands-on, concrete materials that children can manipulate to understand abstract time concepts through visual comparison and tactile exploration.
Yes, once introduced to the material, children can work independently to change number rings, explore different time representations, and develop their understanding of clock reading at their own pace.
This material develops time-telling abilities, number recognition, understanding of Roman numerals, fine motor skills through ring manipulation, and abstract thinking through comparing different numerical systems.
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