Cube Prism, 18 mm Optical Prism, K9 Optical Glass, Scatter Prism Cube, K9 Science Experiment Prism, Optical Teaching Prism, Refractor Crystal Prism, Gift Box with LED, Physics Teach Decoration

This is useless and I am still searching for the light it is supposed to release, even in the dark it is barely visible. Once the led battery has gone flat you can't replace it unless to wreck it.

Really misleading products scratched and doesn't even shine