Features: 1.PREMIUM MATERIAL: Kids' balance is made of premium plastic, not easy to break or wear out, durable and efficient for classroom or home use. 2.SCALE DESIGN: The bucket balance comes with scale for easy comparison of mass sizes. Kids can explore volume and compare solids and liquids. 3.EDUCATIONAL: Plastic kids balance scale, kids can develop observation and estimation skills while exploring volume and measurement. 4.PRACTICAL TEACHING TOOL: This bucket balance scale allows for years of hands on measuring fun in the classroom or playroom. 5.EASY TO CLEAN: You can easily wipe down this balance scale with a rag for long term use by students, teachers and more. specification:Item Type: Bucket Balance Scale Material: Plastic Uses: Great for exploring basic measurement concepts and activities, hands on learning in the classroom or at home PackageList: 1 x Crossbeam 1 x Base 2 x 200ml Measuring Cylinder 1 xSlidingPoise 8 x 10gSlottedWeight 4 x 5gSlottedWeight