Features: Discover the wonders of science with the Saltwater Power Generation Experiment Case, designed to stimulate curiosity and deepen understanding of electricity principles through hands on learning. Crafted from pp, clear color, easy to follow instructions that allow children to understand scientific concepts while having fun. Suitable for children aged 6 ＋, as well as students and enthusiasts interested in physics and electrical experiments. This power generation experiment device serves as excellent tool for teaching and engaging student minds in scientific exploration. Enhancing your classroom or home learning environment with this interactive saltwater battery experiment set, unique way to introduce alternative energy sources and foster critical thinking skills. Specifications: Color: Clear Component: PP Size: Approx. 7x5.5x4.50cm/2.76x2.17x1.77in Weight: Approx. 70g Package Includes: 1Piece Saltwater Power Generation Device note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color