Doing some small chemistry experiments with your kids can be cool and exciting. Our plastic test tubes are necessary for your preparation work. This item is a set of test tubes can meet your different needs. They can be used to storage liquids, salt and other items. These tubes are easy for children to operate.Features-Color: Assorted Color.-Material: Plastic.-Size: 24.00X14.00X4.50cm / 9.43X5.50X1.77inch.- The test tubes are made by plastic, and environmentally friendly. They are safe for kids to use and storage.- Plastic tubes are portable and lightweight. They are easy for kids to store and carry.- High quality plastic material is not easy to break, leak and damage. It is safe for children to do experiments with cold, hot or acid liquid.- They can be used as children's scientific experiment tubes, but also liquid storage containers for cosmetics, lotions, etc.- These tubes can exercise your child's hands-on ability and increase their interests in learning and exploring knowledge.Package list: 1 set tubes