Description: Material: Crafted from pp material, this salt water power generation experiment box is designed to withstand regular use, ensuring long-lasting durability and safe for young scientists Product Size: With dimensions of 7cmx5.5cmx4.5cm, this diy salt water power generator model is compact and easy to handle, making it suitable for small hands and convenient storage Saltwater Power Generation Kit: This educational kit allows children to learn the fascinating concept of generating electricity using saltwater, making it an essencial tool for hands-on learning and scientific exploration Skill Development: This DIY toy is suitable for children's creative thinking, practical skills, scientific knowledge, communication abilities, and cultivating their interests in science and technology Educational Tool: Suited for elementary school science projects or home experiments, this kit encourages curiosity and enhances understanding of basic scientific principles in an interactive way Specification: Material: PP     Size Chart: 7cmx5.5cmx4.5cm/2.76inchx2.17inchx1.77inch Package Includes: 1 Set DIY Salt Water Power Generation Experiment Box Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.