2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Category_Science Kits Clip-together wooden test tube stand

Clip-together wooden test tube stand with two 30-mm and four 20-mm holes

Determines heat exchange during reactions and phase changes via a 100 by 75mm polished aluminum vessel with wood-and-plastic lid

Eisco Labs Electric Bell with Banana Plug terminals which utilizes 4-6V AC/DC power

9-piece micro glass distillation kit holds 25mL in borosilicate glass for small-scale distillation and organic chemistry synthesis procedures

Two-inch friction cube with four distinct faces — wood

2PK Test Tube Peg Drying Rack - Holds 96 x 13mm Tubes - Plastic Category_Science Kits Clip-together wooden test tube standPeg style plastic drying rack that holds inverted test tubes for air drying after cleaning, with sturdy construction for repeated classroom and lab use.