This set of science experiment accessories is suitable for children to conduct handcraft experiments, which can stimulate their imagination and creativity. The test tubes can be used to mix different liquids, and the measuring cups can be used to measure the volume of liquids accurately. Features -Color:Assorted Color -Material:Plastic -Size:16.00X5.00X5.00cm/6.29X1.97X1.97in(test tube rack) -Size:6.30X5.40X5.40cm/2.48X2.12X2.12in(measuring cup) -Size:18.40X0.50X0.20cm/7.23X0.20X0.08in(stirring rod) -Size:10.20X1.20X1.20cm/4.01X0.47X0.47in(test tube) -Children can not only experience the charm of chemical reactions, but also cultivate meticulous observation, accurate ability and of scientific research spirit. -Inspires children to be curious and ask questions about the world: sparks children's curiosity and encourages them to inquire about the world around them. -Encourages children to think creatively and come up with their own experiments: stimulates children's creative thinking and empowers them to design their own experiments. -Helps children develop fine motor skills and hand-eye coordination: supports the development of children's fine motor skills and coordination between their hands and eyes. -Provides and controlled environment for children to experiment and learn: offers a secure and supervised setting for children to conduct experiments and learn knowledge. Package list: 1 x plastic test tube rack 1 x sampling spoon 6 x plastic test tube 2 x measuring cup 2 x stirring rod