【Product Highlight】: This is a scientific educational tool for demonstrating the principle of thermal expansion and contraction in solids.
【Material】: The physical teaching tool is made of metal, ensuring durability and longevity.
【Product Size】: The physical demonstration tool measures 23cm in length, making it a suitable size for hands-on experiments.
【Packaging Details】: The package includes 1 complete set, providing everything you need for your experiment.
【Ideal Learning Tool】: This thermal expansion experiment is a good resource for primary school science education, helping students understand complex concepts through practical application.