Conductivity of Solutions Kit. Pack of 10.

GSC International 4-31001-10 Conductivity of Solutions Demonstration, 10-Pack – Educational Chemistry Lab Apparatus with Electrodes, Bulb, and Glass Tumbler 10-pack classroom set of conductivity demonstration kits for group learning Shows the conductive properties of liquids with a simple bulb-and-electrode setup PVC lid includes molded socket, binding posts, and electrodes for durability Each kit includes a glass tumbler reservoir, light bulb, and instructions A valuable STEAM teaching tool for chemistry labs, classrooms, and homeschool PRODUCT WARNINGS WARNING:  This product can expose you to chemicals including styrene, nickel, and lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. Our products are not toys. Use in a laboratory or educational setting only. Not for children 15 and under.