Specification AgeRangeDescription : big_kid Brand : Hilitand BulletPoint1 : Vacuum Jar: Place the bell in the jar, and you can hear a clear bell, and then pull out the air, the bell will gradually weaken until no can be heard. Close the exhaust , so that students can observe. The bell still keeps ringing, but no can be heard. BulletPoint2 : Material: Adopting PVC material, the transparent hood can clearly demonstrate the bell , very easy to check. BulletPoint3 : : The of the physics demonstration is very , so students can have and happier learning in class. BulletPoint4 : 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. BulletPoint5 : 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 . Color : As Shownx3pcs CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Imagination Development IncludedComponents : No ItemName : Vacuum Demonstration Hood, Vacuum Bell Jar, Vaccum Demonstration Kit Demonstration Hood for Classroom Laboratory, Dewar Flasks ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 28 centimeters ItemPackageDimensions_Width : 21 centimeters ItemTypeKeyword : science-classroom-measurement-kits Manufacturer : Hilitand ManufacturerMinimumAge : 48 Material : pvc ModelName : Hilitandb8gcwoqe5d ModelNumber : Hilitandb8gcwoqe5d NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Hilitandb8gcwoqe5d ProductDescription : Specification: 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