Traffic Signs, Multi-Colour Premium Quality Zinc Electrodes: This

Premium Quality Zinc Electrodes: This pack includes two zinc electrodes

(Crustacea): Fiddler crab and Shrimp

providing clear and accurate volume measurements

The wrest pin length adds to the convenience of adjusting and securing the wires during experiments

Fulcrum and Balance: The lever is balanced on a knife edge fulcrum

Traffic Signs, Multi-Colour Premium Quality Zinc Electrodes: ThisHelps children understand the meaning of the signs. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.