The plotter traces patterns in the circular sand tray by dragging a small marble ... the marble’s distance from the center point of the circle. It’s a simple way to build a circular plotter ...

The plotter traces patterns in the circular sand tray by dragging a small marble ... the marble’s distance from the center point of the circle. It’s a simple way to build a circular plotter ...

But, sand tray therapy can be used to help people of all ages deal with mental health issues. Clinical social worker and therapist Sabra Starnes is the owner of Next Place Therapy Services ...

which move via robotic arms that can reach every inch of the sand tray. These arms are programmed to move the balls so that they draw patterns, seemingly on their own. Much like traditional sand ...