This is a hand needle felted dancing Kitsune, a Japanese mythical creature whose tail lights up. Kitsune are known for being tricksters, at times malicious ones, but generally are playful. The rapid lighting of the LED (controlled by Arduino) signifies that this is a playful Kitsune.
felting needles, felting block, wool roving
wires felted inside the tail
Completed Dancing Kitsune
Playful Dancing Kitsune (no switch)