DIY Electronics & STEM Learning: Master real-world soldering skills (SMD/SMT) while assembling this LED gyroscope kit. Perfect for STEM projects, classrooms, or hobbyists aged 14+, blending hands-on electronics practice with creative engineering (Batteries are not included). Mesmerizing 24-LED Visual Effects: Watch 20+ dynamic patterns emerge via high-speed microcontroller-controlled LEDs. Leveraging human eye persistence of vision, the rotating 3-leaf design creates stunning, customizable light displays for endless interactive fun. Smooth Spin & Premium Build: High-quality bearings ensure ultra-smooth rotation on your fingertip. Durable PCB and labeled components guarantee stable performance, making it ideal for showcasing physics principles or tech-inspired entertainment. Guided Learning: Labeled PCB, QR code English step-by-step instructions and video guide ensure easy assembly of the DIY kit. Contact us for assembly support or questions. Skill-Building Meets Fun: Ideal for electronics enthusiasts or STEM projects. Assemble a gyroscope, enhance problem-solving abilities, and spark curiosity in tech. craft, learn, and amaze with every spin! This product is a 3 Leaves LED Rotating Gyroscope Kit that requires certain knowledge of electronic principles and welding techniques. After the welding, it is a gyroscope that can be held on the tip of the hand and rotate to display patterns. It has over 20 patterns that can be freely transformed, making it very cool. This kit has high-quality bearing that allow it to rotate more smoothly. Microcontroller control 24 chip LED, according to the word mold data high-speed flashing light, the use of the human eye's visual ephemeral phenomenon, in the 24 LED's rotating range to present patterns. Come and give it a try!