Which optical toy was first patented in 1817 by David Brewster?
Kalidescope Kaleidescope KaleidoScope Caleidoscope Kalidoscope KALEIDOSCOPE Kalaidoscope Kaleidascope Kaleidoscope
kaleidescope kaleidoscope kalaidoscope kalidoscope kaleidascope kalidescope caleidoscope
kaleidoscope
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KALEIDOSCOPE