3-11 years

Saturn: lord of the rings 2

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Saturn: lord of the rings 1

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Icosa planet

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Dust in the universe

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Observing the Moon

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Shadow play

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The Earth is round

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Solar system model demo

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Modelling the night sky

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Making a rainbow

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Magic levitation

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Demonstrating light pollution

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Center of mass demostration

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Spicy Solar system

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Earth a ball

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Black hole

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As the world turns

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The Sun in the local horizon

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Solar motion demostrator

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How to build a big plywood demonstrator

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Projection camera for eclipse viewing

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How to make a Solar filter

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Refractory telescope

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Telescope basis 2

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Telescope basis

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