5pcs Chemical Experiment Equipment Teaching Glass Drying Tube School Glass Drying Tube Glass Single-Ball Drying Tubes Glass Drying Tubes for Teaching Laboratory Glass Drying Tubes
$17.69
Description
One- ball drying tube: can be used for chemistry experiments, which can help to exercise hands- on ability.Tubes: simple in structure, easy to use, strong and anti- , you can use it with confidence.Glass drying tube: made of premium glass material, you can get accurate results for each experiment.One- drying tube: made of high- end glass materials, smooth inner wall, useful and safe, excellent and reliable.Sample tube: the product can actively cultivate observation and learning ability, practical ability, imagination, etc
