[Innovative Electromagnetic Drive Technology]: Utilizing a precision coil and magnet combination, intelligent control adjusts the direction and intensity of the current, achieving high-speed, stable circular motion of the iron ball, perfectly demonstrating the principle of electromagnetic acceleration [Intelligent Control]: Single-ball operation is recommended to avoid interference from multiple balls for optimal results. Precise control enables acceleration, deceleration, and directional motion, allowing you to delve deeper into the mysteries of electromagnetic mechanics [High Compatibility]: Supports a 12-24V DC power supply (rated current ≥ 1A), uses a universal 5.5-2.1mm jack (positive internally and negative externally), and features built-in reverse polarity protection for worry-free safety [Durable And Stable]: The bracket and guide rails are made of high-quality materials, ensuring a robust and reliable mechanical system that maintains a stable trajectory even during long-term operation, making it suitable for repetitive experiments and teaching demonstrations [Application]: Not only is it an ideal tool for physics teaching, but it is also suitable for scientific experiments, robotics development, and electromagnetic research, meeting the diverse needs of education, scientific research, and DIY enthusiasts