Victorian animation viewer - spin a disc with images and view them in a mirror through slits.
Victorian animation viewer - spin a drum with images inside and view them in rotating mirrors.
Draw your own two-picture animation and spin it to see the pictures merge into one.
Spin a bike wheel and change the strobe frequency. See the wheel appear to rotate back and forwards like in the movies.
Spin two pictures so that they appear to merge - this demonstrates persistence of vision.
Victorian animation viewer - spin a drum with images inside and view then through slits. Invented in Bristol about 1840.