Specification AgeRangeDescription : big_kid Brand : Qiilu BulletPoint1 : Improved Visibility : vacuum bell jars The vacuum bell jar is made of high - quality clear PVC material that provides excellent visibility for students to observe the experiments in detail . BulletPoint2 : Versatile Applications : vacuum bell In addition to demonstrating the effects of vacuum on sound , the vacuum bell jar can be used for a variety of experiments such as evaporation icing and atmospheric pressure , expanding its utility in the classroom . BulletPoint3 : Enhanced Learning Experience : vacuum bell jar By allowing students to witness sound physics demonstrations firsthand , the vacuum sound jar helps to enhance their understanding and interest in the subject . BulletPoint4 : Portable Design : vacuum bell jar , vacuum chamber with pump , laboratory plastic jar sound physics scientific experimental tool for sound propagation experiment The compact and lightweight design of the vacuum bell jar makes it easy to transport and set up for demonstrations both in the classroom and outdoors , providing flexibility for educators . BulletPoint5 : Portable Design : tempered , providing flexibility for educators . Color : As Shown CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Imagination Development IncludedComponents : No ItemName : Vacuum Vacuum Bell Jars Vacuum Bell Bell Jar Demonstration Hood for Classroom Laboratory Teaching Tools, Sound Physics Cloche PVC Jar Kit ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 28 centimeters ItemPackageDimensions_Width : 21 centimeters ItemTypeKeyword : science-classroom-measurement-kits Manufacturer : Qiilu ManufacturerMinimumAge : 48 Material : pvc ModelName : Qiilutzfgeqi3y9 ModelNumber : Qiilutzfgeqi3y9 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Qiilutzfgeqi3y9 ProductDescription : Specification
Item Type : Vacuum Bell Jar Material : PVC Battery : 2 x AA battery , shipped without batteries .