彩虹手電筒 / Rainbow Torch

彩虹手電筒教材套件讓學生觀察白光在空間上分離成彩虹色光後的現象。

The Rainbow Flashlight Teaching Material Kit allows students to observe the phenomenon of white light spatially separated into rainbow-colored light.

規格：
USB 充電、可調焦距白色 LED 手電筒；
3D PLA打印機身；
衍射光柵一張（1200L/mm）。

Specifications:
USB rechargeable and focus adjustable white LED light torch;
3D PLA printed body;
A sheet of holographic diffraction grating (1200L/mm).