Features: Discover the wonders of physics with Soldering Practice Kit, featuring electromagnetic swing that vividly demonstrates magnetic field through a mesmerizing pendulum motion. This DIY electronics kit includes a leaf shaped pendulum needle and LED lights, enhances soldering skills and provide hands on learning experiences. Suitable for students, hobbyists, and educators, this kit is perfect for those interested in STEM education and improving their practical abilities. Use it as educational tool in classrooms or as a captivating tabletop decors for home, making addition to any setting. Perfect as a Christmas present, this kit not only serves as engaging educational project but also adds scientific to your space. Specifications: Component:PCB Size:Approx.83.9x56.8mm/3.3x2.23inch Package Includes: 1Pc Electromagnetic Swing Soldering note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.