带彩色插图的指导书展示了在光学领域的基本概念及的工作原理。零件
包括：镜子、用于设计潜望镜的硬纸板、脸部卡片、线、万花筒、导线
和橡皮筋。彩色滤光片和卡片、大镜子。可以制作万花筒，变脸，神奇
的镜子，变化的色彩，水下彩虹等试验。
The guidebook with color illustrations shows the basic concepts and working principles in the optical field. Parts include: mirrors, cardboard for designing periscopes, face cards, lines, kaleidoscopes, wires, and rubber bands. Color filters and cards, large mirrors. Can make kaleidoscope, face changes, magic mirror, changing color, underwater rainbow and other experiments.
