Hour Glass

This is simple and easy tutorial for and hour glass or sand timer.

Supplies

2 Water Bottles

Drill (or Hole Puncher)

Tape (preferably Duck Tape or a strong tape)

Step 1: Bottles

Fill one water bottle with sand and drill holes into the bottle caps. You can do this with a drill.

Step 2: Combine

Then go ahead and tape the bottles together. Be generous with it so it won't fall apart.

Step 3: Extra

You can always add more and customize. Choose material that fit your preferences. And elaborate. This is just a simple and easy hour glass.