5-Metal Equal Mass Cylinders Set, Lead-Free (Zinc, Copper, Aluminum, Tin, Brass) Subcategory_Racks and Stands supporting both qualitative and quantitative

supporting both qualitative and quantitative force-vs-distance student investigations

Large-scale typical flower model with removable floral parts and a bisected ovary showing internal ovule arrangement for detailed botany instruction

providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment work

the protective coating shielding glassware surfaces from nicks

5-Metal Equal Mass Cylinders Set, Lead-Free (Zinc, Copper, Aluminum, Tin, Brass) Subcategory_Racks and Stands supporting both qualitative and quantitativeLead free five cylinder equal mass set at 30g each in zinc, copper, aluminum, tin, and brass, offered as a safer substitute for the lead containing PH0112FCB set.