4-Piece Magnet Experiment Set with Alnico Bar Magnet and Ruler Glass Bottles_Reagent Bottles Interlocking polypropylene test tube rack

Interlocking polypropylene test tube rack holding 24 tubes up to 25 mm with a fold-up grid

Two-foot acrylic rod with one end coiled into a 9-inch loop

and roller included for studying friction

this polished-wood test tube rack holds six tubes up to 22 mm and supports both storage and inverted drying

3 glass convection tube at 6 by 10 inches with a filling funnel

4-Piece Magnet Experiment Set with Alnico Bar Magnet and Ruler Glass Bottles_Reagent Bottles Interlocking polypropylene test tube rackFour 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.