2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Weight_250g Pear-shaped rubber pipette bulb holds

Pear-shaped rubber pipette bulb holds 20mL for controlled suction in pipetting procedures with compatible serological and volumetric glass pipettes

this regulated low-voltage DC power pack outputs a fixed +12V through front-panel terminals on the benchtop

Polished 50mm equilateral glass prism with 60-degree angles at premium grade

this deluxe optics kit covers reflection

3 glass beakers with DIN 12231 white graduations and a pouring spout

2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Weight_250g Pear-shaped rubber pipette bulb holdsPeg style plastic drying rack that holds inverted test tubes for air drying after cleaning, with sturdy construction for repeated classroom and lab use.