How Do You Make An Hourglass Sand Timer?
One of the oldest, simplest and most captivating devices invented for the measuring of time, the hourglass remains a popular decoration and fascinating curiosity item to this day. The simple principle of this device makes it an easy device to create in your own home. Customize this project and make sand glasses that can time your common daily activities and save energy while adding an attractive decoration to your home. Step 1 Thoroughly wash and dry both bottles and one bottle cap. Step 2 Drill a small hole in one of the bottle caps. Start by drilling with the smallest drill bit you have; you may need to adjust the size, but it will be easier to make the hole bigger than to make it smaller. Step 3 Test the hole you’ve drilled. Hold the cap upside down and spoon some sand into it (you can buy the sand at a craft store). If the hole is too small for the sand to run out of easily, make it slightly larger. If the sand runs out instantly, you’ve made the hole too large and will need to sta
