This product in the "Industrial and Scientific" category fell short of expectations. The optics were poor and the experiment was difficult to setup, leaving me frustrated as a science educator..
Lines Inch Diffraction Grating Sheet
3 Review
π¬ AZHENRONG 14mm Glass Lab Accessories with Improved SEO
π Diffraction Grating Slides by Rainbow Symphony
Enhancing Learning with Optical Photography Triangular Teaching Education
Heart Anatomy Poster Laminated Anatomical
π Laminated Anatomical Pack for Skeleton Ligaments
𦴠Explore the Intricacies of Human Skeleton with the Movable Skeleton Anatomy Model
Anatomical Chart of Spinal Nerves and Dermatomes