Features: This pressure demonstration device vividly illustrates pressure concepts using sponge materials to simulate real effects, making abstract physics theories easy to grasp for students in science education. Featuring a light weight ABS frame and safe sponge construction, it offer quick, tool frees assembly and portability for hassle frees classroom use. Designed for teachers conducting physics demonstrations and students in middle school science classes to enhances hands on learning experiences. Perfect for classroom physics lessons and after school science club activities, it allows repeated practice to reinforce knowledge in various educational settings. Encourages scientific curiosity and critical thinking by fostering interactive experimentation, helping youngly learners develop practical skills in physics education. Specifications: Materials: ABS+Sponge Color: As The Picture Shows Package Weight: approx.1520g Size: Sponge: 21x11x5cm Table: 20x10x10.2cm Package Includes: 2 Sets Pressure Demonstration Device note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!