US$ 37.99
Interlocking polypropylene test tube rack holding 24 tubes up to 25 mm with a fold-up grid
polythene plates
Thirteen-part muscular leg model reveals muscle layers
the elongated triangular body fitting wider-beam refraction setups and class-front dispersion demonstrations
the wider working face giving longer beam paths for clear refraction-angle measurements
Wooden Test Tube Support, 13-Place Material_Borosilicate Glass Interlocking polypropylene test tube rackThirteen place hardwood test tube rack combining seven 19 mm holes and six 25 mm holes with six draining pins for mixed size tube storage in student laboratories.
US$ 37.99
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