Tellurium: Earth & Sun Demonstration
Made by Nienhuis Montessori · shipped by Heutink International (Netherlands) About the maker
Part of the Land & Water Forms collection, this sophisticated tellurium demonstrates the Earth-Sun-Moon relationship through precise mechanical movement, which means children can explore day/night cycles, seasons, and lunar phases. The model features a rotating Earth globe with detailed continents, a bright sun sphere, and an orbiting moon, all connected by a wooden beam mechanism that illustrates celestial mechanics through hands-on manipulation.
“Free the child's potential, and you will transform him into the world.”
The Tellurium introduces cosmic education through concrete manipulation of celestial relationships. When children turn the wooden beam mechanism, they physically create day and night by rotating the Earth globe, witnessing how sunlight reaches different continents. This mechanical movement transforms abstract astronomical concepts into tangible experiences. The Tellurium's precise gears allow children to discover seasonal changes by tilting and positioning the Earth at different points in its orbit.
- Understanding day and night cycles through Earth's rotation
- Recognizing seasonal changes from Earth's tilted axis and orbit
- Observing lunar phases and moon's orbital period
- Developing spatial reasoning through three-dimensional relationships
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The orbiting moon demonstrates lunar phases through its changing relationship with the bright sun sphere. By manipulating these interconnected spheres, children internalize the rhythmic patterns governing our planet. The Tellurium addresses the child's need to understand their place in the universe through direct sensorial exploration. Its wooden beam construction and detailed globe provide the concrete foundation necessary before abstracting to diagrams or verbal explanations of Earth's movements.
How to present it
Follow the Montessori method of presentation for optimal child development.
Place the Tellurium on a low table where children can walk around it. Position the sun sphere at center, ensuring the wooden beam rotates smoothly. Check that Earth globe spins freely and moon orbits without obstruction.
- 1
Introduce day and night by slowly rotating the Earth globe while shining a flashlight on the sun sphere
Let children place small figures on different continents to see when each experiences daylight - 2
Demonstrate one year by moving the wooden beam in a complete circle around the sun
Count together as you make 365 small Earth rotations during one full orbit - 3
Show seasons by maintaining Earth's axial tilt while orbiting the sun
Mark the table with tape to indicate winter/summer solstice positions - 4
Explore lunar phases by positioning the moon at different points in its orbit
Use a small mirror to reflect light onto the moon sphere from various angles
Every Child Is a Little Creator
Heritage
Since 1929
In classrooms
Around the world
European brands
Nienhuis, GAM, Educo
AMI approved
To the association standard
Tellurium: Earth & Sun Demonstration
