Lightbulbs are becoming cheaper because they are been replaced by cold light lamps and LED´s .
So ,if you you have two fused lightbulbs ,reuse them into.. an hourglass!!!!
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Signing UpStep 1: The materials
- Two lightbulbs of the same type
- Sand, preferably from the sea shore.
- A screw
- Some wood
- An empty can or any piece of thin metal,alluminun works great.
- Some paint for the base.
- Hidrochloric acid (you can avoid this if your sand is clean)









































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Thank you a lot for posting this tutorial, totally awesome. :D
Maybe, and only maybe, after marking with the metal saw all the circumference where you want to have the cut , you can try to heat up that contour with an alcohol flame and let it cool down at room temperature. Some time that makes a quasi perfect crack, but I moved to the diamond disc because of the better results. Good luck¡¡¡
Thanks a lot!