9-Piece Flat Weight Set Lab Equipment and Supplies_Metal Labware sized as a self-contained module

sized as a self-contained module that lights up when current flows the right way for polarity-and-circuit lessons

a 12V LED source on a US plug

sized for repeated classroom-scale field-line mapping with a GHS-compliant safety label

and membrane systems for introductory cell biology teaching

configured as a classic Daniell cell for galvanic-action and electrode-potential demos

9-Piece Flat Weight Set Lab Equipment and Supplies_Metal Labware sized as a self-contained moduleNine piece flat brass weight set with dual hooks on each piece, totaling 500 grams and linkable in chains for cumulative loading during balance experiments and physics demonstrations.