DUCK-O-TROPE- continuing the theme Off the Grid 'Duck-O-Trope' is a type of Zoetrope

zoetrope
noun
a 19th-century optical toy consisting of a cylinder with a series of pictures on the inner surface that, when viewed through slits with the cylinder rotating, give an impression of continuous motion.

8 rubber ducks are mounted on a copper wheel. Wheel is fixed to axel which in turn is linked via simple gear train to stepper motor which acts as generator. Stepper motor has a hand crank. As crank is turned stepper motor feeds white LED, via commutator, to the bottom most duck. Each duck is slightly turned relative to the one that precedes so creating the animation. At the same time as illuminating the LED a 1F capacitor is charged . Unit is self contained with no external power source or batteries.