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Help young students visualize and understand fraction concepts
Removable Bottom Diffuser Tray
Humidity (operating/storage)
Color coded to make learning easier & fun
an adjustable-volume siren etc
6 holes Plastic Test Tube Racks Male Urinary System Model Help young students visualize andHigh temperature resistance, the maximal temperature can be up to 100. There are six holes and six columns for you, you can put test tube on it. It can put test tube which diameter is less than 18. 5mm. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
