Designed for physics education, this set clearly demonstrates pressure and force principles through hands on experiments, helping students grasp abstract concepts with practical examples Made from , iron, and sponge, these physics teaching tool ensures during classroom experiments while being sturdy enough for repeated use Features flexible mechanisms allowing students observe varying pressure effect, enhancing interactive learning Clear structural piece reveal internal working mechanisms, stimulating students' curiosity and making scientific principles visually understandable Light weight yet stable construction with smoothly surfaces for easy , enabling teachers to transport and use the set across multiple classrooms effortlessly