Portable Large Ohmmeter Food Coloring and a bimetal switch

and a bimetal switch

100g Heavy Duty Slotted Weight Iron Nickel Plated Set

Binocular sliding viewing head and coaxial coarse and fine focus knobs on both sides

demonstrating the external features and internal structure of the Schistosoma

Portable Large Ohmmeter Food Coloring and a bimetal switchPortable Large Ohmmeter 0 100 Ohms Large Display. Designed for measuring the resistance in electric circuits. Housed in unbreakable case with front clear cover. The dry battery cell is fixed to stand from the bottom side. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during