Our science experiment kit is for and DIY enthusiasts. The 50ml tubes are durable and reusable, providing plenty of space for experiments. The color-mixing tubes add an extra layer of fun, allowing children to experiment with different color combinations and learn about them. Features -Color:Blue -Material:Plastic -Size:11.50X3.30X3.30cm/4.52X1.30X1.30in -50ml tubes provide the necessary volume for a variety of scientific experiments, ensuring accurate results. -Specially designed for young students, the color mixing tubes make learning about colors and reactions fun. -Roleplaying accessories enhance the educational experience, more engaging for children. -Sufficient quantity of 50ml tubes ensures they can be used multiple times, supporting ongoing experiments. -Ideal for school science and diy projects, encouraging children to explore and experiment with science. Package list: 10 x tubes