Rectangular Refraction Acrylic Block, 125 x 65 x 18mm Category_Lab Equipment Ticker tape holder stand with

Ticker tape holder stand with a 10mm stainless steel rod on a textured metal base

six convex/concave lenses spanning 10-50cm focal lengths

ten 6 by 2-inch plane glass mirrors at ~2mm thick give space for image-formation experiments to be staged side by side

varying length isolating density as the single variable across materials

Plus-or-minus 2

Rectangular Refraction Acrylic Block, 125 x 65 x 18mm Category_Lab Equipment Ticker tape holder stand withDesigned for class front lateral displacement demos, a 125 by 65 by 18mm acrylic rectangular block with beveled edges widens the visible refraction shift in Snell's law setups.