6-Hole Premium Wooden Test Tube Rack with Pins, 9.4", for 25mm Tubes Graduations_Ungraduated Two-hundred-fifty-gram push-pull balance in an

Two-hundred-fifty-gram push-pull balance in an acrylic tubular body

Simple-form Boyle's Law apparatus pairing a graduated plastic syringe on a wooden block with a weighted piston

across 16 removable parts in an 18-inch female half-size model

4 inches long for chemistry and microbiology classroom stations

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

6-Hole Premium Wooden Test Tube Rack with Pins, 9.4", for 25mm Tubes Graduations_Ungraduated Two-hundred-fifty-gram push-pull balance in anHand crafted hardwood test tube rack with six 25 mm holes and six drying pins on a single tier, sized at 9. 4 inches long for chemistry and microbiology classroom stations.