Description: 【Product Name】: Centrifugal Water Pump Model, an essential teaching tool for physics experiments in middle and high schools. Educational toy set which is great for their hand skills and creativity. This science experiments kits is an way to teach your child about the of engineering 【Material】: Made of reliable plastic material, ensuring long term use and resistance to wear and tear. With a size of 28cmx13cmx20.5cm/11.02inchx5.12inchx8.07inch, this model is compact enough for easy storage and transportation, yet large enough for clear demonstration and understanding 【Science Experiment】: This gear centrifugal water pump model is for demonstrating experiments in physics classes, providing learning experiences that help students understand complex concepts more easily 【Functionality】: This gear style teaching demonstration tool effectively illustrates the principles of centrifugal water pump, making complex concepts easier to understand 【Versatile Use】: Ideal for educational purposes in classrooms, laboratories or science fairs; also a great learning resource for students studying at home. The intelligence toys are helpful for kids development of intelligence, if parents could the games with kid, will memories for kids childhood Size Chart: 28cmx13cmx20.5cm/11.02inchx5.12inchx8.07inch Package Includes: 1 Set Centrifugal Water Pump Model Note: Please allow slightly errors 1-2cm differences due to manual measurement.