US$ 54.99
Open-mount electromagnet bell on an 8x4-inch wooden base with a push button and 4mm banana sockets
Polystyrene electrolyzer with a transparent cone-shaped cup over a banana-socket base
two acrylic triangular blocks
This is friendly
Blue Epoxy Wire Test Tube Rack, 80-Hole (8 x 10), for 22-25mm Tubes Lab Supplies_Sieves Open-mount electromagnet bell on anEpoxy coated steel wire test tube rack with 80 holes in an 8 by 10 layout, sized for 22 to 25 mm tubes in high throughput biology and chemistry classrooms.
US$ 54.99
US$ 15.99
US$ 36.69