【Electromagnetic Drive Technology】Utilizing a combination of precision coils and magnets, the device intelligently adjusts intensity of the current to achieve high-speed, stable circular motion of the iron ball, visually demonstrating the principles of electromagnetic acceleration. 【Smart & Precise Control】Single-ball operation mode effectively prevents interference caused by multiple balls, ensuring more accurate experimental results. The system allows precise control of acceleration and deceleration, helping users clearly observe and understand electromagnetic mechanics. 【Durable & Stable Structure】The bracket and guide rails are constructed of high-quality materials, ensuring a stable and reliable structure and a smooth trajectory during continuous operation, making it ideal for classroom demonstrations and repetitive experiments. 【High Compatibility & Safe Operation】Supports 12–24V DC power supply (rated current ≥1A) and uses a universal 5.5-2.1mm power interface (inner positive, outer negative). Built-in reverse polarity protection enhances safety and prevents damage from incorrect connections. 【Multi-Scenario Applicability】Ideal for physics teaching, scientific experiments, robotics development, and electromagnetic research, meeting the diverse needs of teachers, researchers, and DIY enthusiasts.