Pan Balance Scale Demonstration Lever with Two Pans, 10.75" Category_Science Gifts pairing a six-step 0 to

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

Combining filtration and titration on one base

varying length isolating density as the single variable across materials

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

3g nickel-plated steel balls on a red wood base

Pan Balance Scale Demonstration Lever with Two Pans, 10.75" Category_Science Gifts pairing a six-step 0 toPan balance demonstration lever with a low friction brass pivot, zero offset rod, and two removable stainless steel pans on a 10. 75 inch aluminum and steel frame for mass comparison work.