Description: 【Product Type】: This is a Magnetic Science Teaching Experiment Kit, for hands-on learning about physics and magnetism. Learn basic physics principles and conduct experiments with these magnet kits to study physics, magnetism and understand the earth. 【Material】: The Physics Science Electromagnet Experiment is made of sturdy pp material, ensuring it can withstand repeated use in a classroom or home setting. 【Product Dimensions】: The compact size of the kit (15x9x3.5cm) makes it easy to store and transport, making it ideal for both school and home use. 【Package Contents】: Each package contains 1 complete set of the Magnetic Science Teaching Experiment Kit. Great gift for students to further understand the basic principles, learn the basic electromagnetic experiments. 【Educational Tool】: This kit serves as an excellents educational tool for middle school students to learn about physics in an interactive and engaging way, which not only can improve their physics learning skill, but also can improve their hand-on ability. Specification: Material: PP Size Chart: 15x9x3.5cm/5.91x3.54x1.38inch   Package Includes: 1 Electric Bell Experiment   Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.