Premium Glass Vacuum Jar with Base - Scientific Vacuum Demonstration Kit for Physics Labs & Sound Experiments | Ideal for Classroom Demonstrations, STEM Education & Science Projects

Vacuum Bell Jar, Vaccum Demonstration Kit Demonstration Hood for Classroom Laboratory Experiments: A cup of boiling hot water has been discharged into the bell jar, and then pumped, you can see that the hot water in the cup is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure. Convenient Carry: Comes with a light weight and a compact size as well, the whole vacuum bell jar set is very convenient to carry to . Material: Adopting PVC material, the transparent hood can clearly demonstrate the bell , very easy to check. : Item Type: Vacuum Bell Jar Material: PVC Battery: 2 x AA battery, shipped without batteries. packing list: 1 xVacuum Bell Jar 1 x Bell 1 x Vacuuming Plate