4-Piece Magnet Experiment Set with Alnico Bar Magnet and Ruler Subcategory_Dissection Equipment Hexagonal hollow stopper in heavy-duty

Hexagonal hollow stopper in heavy-duty borosilicate glass features 14/23 cone with flat end for sealing ground joint vessels and apparatus

Two-hundred-ninety-piece organic chemistry teacher set with 122 atoms and 168 links covering single

High-retentivity qualitative filter paper at 85 gsm with a 10-micron pore size

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

accepting vertical support rods up to 5/8 inch on standard laboratory stands

4-Piece Magnet Experiment Set with Alnico Bar Magnet and Ruler Subcategory_Dissection Equipment Hexagonal hollow stopper in heavy-dutyFour piece magnet experiment set anchored by an Alnico bar magnet with two supplementary magnets and a ruler for exploring poles, attraction, repulsion, and field line patterns.