Kaleidoscope Projector Otona
The Kaleidoscope Projector Gakken Otona no Kagaku features:
Vol. 13 of Gakken’s Otona no Kagaku magazine and kaleidoscope projector parts; Build-it-yourself science kit; Magazine and instructions are Japanese-only but with diagrams; Contains 3 optical mirrors; Angle at the apex of the isosceles triangle formed by the three mirrors must be 30 degrees; Remove protective sheets on mirrors before inserting them.
