Sandscript: A Magnetic Ball That Draws In Sand All By Itself
SandScript - Automatic Sand Drawing Machine | The Green Head
Sandscript Automatic Sand-Drawing Machine | Sandscript Automatic Sand-Drawing Machine | By Taras Kul | Facebook | Pop this open. Looks like this thing is magnetic field thing and send over here and
Bruce Shapiro's Mesmerizing Kinetic Sand Drawing Machines — Colossal