Alnico Bar Magnets, Classroom Grade Subcategory_Globes Polypropylene round test tube rack

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

Large perch dissection model reveals swim bladder

dimensioned as the matched replacement carriage for the LED ray box (PH0602ALED) track when an original rider is lost or damaged

each with an 8-inch external probe on a 36-inch cord for class-wide temperature measurement from -50 to 300°C at ±1°C accuracy

Alnico Bar Magnets, Classroom Grade Subcategory_Globes Polypropylene round test tube rackAluminum nickel cobalt bar magnets engineered for stable, repeatable field strength across years of student handling, with a clean linear pole structure for field line mapping work.