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How to make an hourglass clock out of light bulbs
Get started with a light bulb.
Globe light bulbs work best for this project. Use a light bulb that is burned out, so as to save you money.

Options:
A). Place the light bulb of your choice on the table where you will be able to see it all the time. Watch as the paper snowflakes horizontally over the dark light bulb on the table.;
B). Don't use the soft white bulbs because they are a little too fragile to work with. Start by hollowing out the inside of the light bulb.;
C). Make sure your light bulb has enough energy to power your clock. However, the disadvantage of globe light bulbs is that they may create a lot of gaps or reduce the efficiency of the clock.;
D). You could also buy a circle light bulb (rectangular) and use it to make the pin bulb. Take two and make circles at a time for the lights.;
B).