Hollow Acrylic Cube Prism with Stopper, 1 x 1" Glass Dishes & Jars_Glass Crystalizing Dishes Four-piece earth-layer specimen set pairs

Four-piece earth-layer specimen set pairs granite and basalt with olivine and peridotite for crust-to-mantle comparative petrology teaching

and zones of elongation and differentiation for plant growth teaching

Magic Square puzzle kit with wooden blocks that arrange into 3x3 grids where every row

this colored dye markers set lets students track sample progress through the gel matrix in molecular-biology coursework

Hollow Acrylic Cube Prism with Stopper, 1 x 1" Glass Dishes & Jars_Glass Crystalizing Dishes Four-piece earth-layer specimen set pairsCube shaped hollow acrylic prism at 1 by 1 inch with a stopper, the cubic geometry varying refraction angles compared to triangular prisms for Snell's law and TIR demos.