Easily demonstrate how white light is composed of the colors of the visible spectrum. Just turn the handle manually and watch the colors disappear! Apparatus comes already assembled and with instruction sheet. Disc diameter is 17.5 cm, metal base is approximately 15.2 cm square, and overall height is approximately 30.5 cm.
Product Information
| Category | Toys & Collectibles > Collectibles & Hobbies > Other |
|---|---|
| Condition | Like new |
