DescriptionDo you want your children to do some small chemistry experiments at home, then you must not miss our plastic test tubes. The set contains a test tube rack, test tube covers and test tubes, which brings great convenience to your use. It can be used to storage liquids, salt and other items. It is easy for children to do and operate.Features- Color: Blue.- Material: Plastic. - Size: About 32.00X23.00X10.00cm/ 12.58X9.04X3.93inch.- Durable and environmentally friendly, safe and secure for use and storage. - Portable and compact, this practical test tube set is easy to store and carry out. - Can be used as a child's scientific experiment tube, but also a liquid storage container for cosmetics, lotions, etc. - This set can exercise your child's hands-on ability and increase their interest in learning and exploring knowledge. - Each tube is equipped with a plastic stopper to enable a good seal.