This review highlights a series of optical illusions made available via the website for Exploratorium. The illusions allow students to explore, experience, and learn about perception. Detailed instructions and demonstration videos are included.
An excerpt from the "about us" link for Exploratorium provides explanatory background.
"Located in San Francisco, California, the Exploratorium is a public learning laboratory exploring the world through science, art, and human perception. Our mission is to create inquiry-based experiences that transform learning worldwide. Our vision is a world where people think for themselves and can confidently ask questions, question answers, and understand the world around them. We value lifelong learning and teaching, curiosity and inquiry, our community, iteration and evidence, integrity and authenticity, sustainability, and inclusion and respect."