| 1. |
The outer wall of the glass castle is covered with balls of glass. How many glass balls were used to cover this wall? |
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| 2. |
The yellowish green color os the GLASS VILLAGE'S original "OHTA-RIVER" Glass is created by a certain substance in the "OHTA-RIVER" sand. What is that substance? |
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| 3. |
The main ingredients of Crystal Glass are silica powder, soda ash and lime powder. What component can be added to improve clarity and add shine? |
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| 4. |
At the GLASS VILLAGE'S GLASS BLOWING FACTORY, there's melted glass in a kiln that's always kept at an extremely high temperature. What is the temperature inside this kiln? |
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