optical toy
toy using optical effects or illusions
thaumatrope
optical toy, a disk with a picture on each side and a string that creates the illusion of movement when spinning
stroboscope
instrument used to make a cyclically moving object appear to be slow-moving, or stationary
zoetrope
pre-cinema animation device
Newton disc
rotating disc with segments in rainbow colours that appears as white or grey when spun fast
flip book
optical toy
kaleidoscope
cylinder with mirrors containing loose, colored objects such as beads or pebbles and bits of glass