TPX PMP Plastic Beaker with Spout and Blue Printed Graduations, 250mL Base Size_6 x 4" this wooden simple-machine model lets

this wooden simple-machine model lets students measure input effort against output splitting force at different wedge angles

polished and ground for image-formation and refraction demonstrations in physics

this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching

routing a single input between two alternative output paths to introduce circuit-control and signal-selection logic

TPX PMP Plastic Beaker with Spout and Blue Printed Graduations, 250mL Base Size_6 x 4" this wooden simple-machine model letsBuilt for chemistry demonstrations, this 250mL TPX polymethylpentene beaker offers glass like clarity with plastic durability and blue printed graduations.