Description:
Light Reflection and Refraction Teaching Instrument ，is used to explore the refraction and
reflection principle of light.

Specification:
Material: Plastic(Base) & Metal(Board)
Weight:About 550g
Battery type:AAA Battery x 2

Feature:
1. Come with laser module， easy to install and move.
2. Battery box has a switch， can save energy of battery and not easy to break.
3. Metal screen can be fold， convenient to carry and operate.

Package Include:
1 x Metal Screen
1 x laser module with a battery box
1 x Base