Description:  【Innovative Wireless Power Transmission】: This DIY kit allows students to the fascinating concept of wireless power transmission, sends electrical energy in the form of , which can be received by devices within range without the need for wires 【Educational and Engaging】: DIY Science Experiment  Kit designed to enhance hands on skills and understanding of scientific principles, this kit is for middle school students interested Stem education. It provides a practical learning experience about the structure and principles of wireless power transfer 【Compact Design】: The wireless power transmission model  with a convenient size for classroom demonstrations or home experiments 【 Materials】: Made from  wood materials, Stem Model Kit ensures longevity  suitable for educational purposes 【Gift】: Educational Learning Science Kit is ideal gift for kids, boys girls students on birthday, holiday  Specification: Material: Wood   Size Chart: Wireless Power Transmission: Length:8.5cm/3.35inch, Width:9cm/3.54inch,Height: 10cm/3.94inch Package Includes: 1 DIY Science Experiment Kit 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.