3D print the components you need to build a meditative kinetic sand table. From wolfspaw on Thingiverse:
In this project, a small robotic arm (SCARA) moves a magnet beneath a bed of sand in a programmed pattern. A steel ball sits in the sand and is attracted to the magnet. As the magnet moves, the ball traces the pattern in the sand creating erasable works of art. LED lighting helps to highlight the designs.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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