Here is how to build a simple cat eye reflector for your model car track like the one you find
on the road or on a bicycle. A cat eye reflector follows a simple
If you have mirrors 90 degrees to each other, you can show
geometrically that light will bounce back in the same direction it came
from - regardless of
the direction the light.
The bouncing back of light from a car’s headlight into your eyes, of course, is what makes
the cat eye reflectors on the road shine.
To make a cat eye reflector you need a siccors, glue, aluminum foil and two blocks of wood.
I cut a wooden 1 cm
thick by 3 cm wide stick I found to make my two blocks.