Review on 🔬 Optical Effects in Science Education with Equilateral Triangular Teaching Optics by Aaron Urena

We didn't look for it for scientific purposes or for use in the classroom. We just wanted one of them to sit on the table and scatter rainbows throughout the house as the sun moves across the sky. He's doing fine. The rainbows aren't as sharp as the higher-end models, but for the price quoted, it works well.