How to Make a Sand Pendulum

Pendulums can be used to draw beautiful patterns in sand, all from the Earth's natural gravitational pull. Although you can purchase a pendulum from a specialty store, it can be more exciting to create your own sand pendulum using a few simple materials that can be found around the house. To successfully make a homemade sand pendulum, it is necessary to follow a few guidelines that will ensure the pendulum will move around the sand properly.

Things You'll Need

  • 1- to 2-inch stone or mineral

  • Jelly roll tray

  • Sand

  • 12 inches of twine

  • Scissors

Step 1

Cut a piece of twine to measure 12 inches.

Step 2

Tie one end of the twine around a 1- to 2-inch mineral or crystal.

Step 3

Fill the bottom of a jelly roll tray with sand.

Step 4

Hold the pendulum 12 inches above the tray.

Step 5

Position the pendulum to barely touch the sand, and allow it to swing naturally.

Step 6

After the pendulum swings for about one minute, examine the patterns that the pendulum left behind in the sand.

References & Resources