2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Weight_250g this deluxe optics kit covers

this deluxe optics kit covers reflection

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

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

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

2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Weight_250g this deluxe optics kit coversPeg style plastic drying rack that holds inverted test tubes for air drying after cleaning, with sturdy construction for repeated classroom and lab use.