Educational AC and DC Generator Demonstration Unit Designed for junior school physics and elementary school science courses, this compact demonstration unit makes the principles and structure of AC and DC generators easy to see and understand. Its clear mechanical layout and color coded poles allow teachers and students to follow the complete process of electrical energy generation. Key benefits Teaches fundamentals: Demonstrates stator, rotor, brushes, baseplate, and manual drive to show how electrical energy is produced. Visual and handson: Rotatable armature with visible rotating shaft, coil frame, winding wires, and small pulley provides an intuitive view of generator operation. Reliable classroom performance: When the rotor runs at 1200 to 1600 rpm the unit produces a noload voltage >=6V, a load voltage >=3V, and an output current of about 0.3A. Features Clear pole identification: Red marks the N pole and blue marks the S pole for straightforward demonstrations. Complete components: Includes stator, rotor, brushes, slip rings, baseplate, and manual mechanism with a removable 0 belt for storage. Compact packaging and manageable weight: Packaging dimensions 1.18 x 0.79 x 0.39 inches; product weight 2.2 lbs. Durable design suited for repeated classroom use. Operation and care notes Before demonstrations, ensure brushes and slip rings are securely tightened. When not in use, remove and store the 0 belt to prevent wear. Protect the belt from oil and direct sunlight to extend its life. Typical use scenarios Classroom demonstration: Show AC and DC generation processes during a lesson on electromagnetism with live voltage and current readings. Student lab activity: Allow small groups to operate the manual mechanism to observe how rotation speed affects output voltage and current. Science fair or exhibit: Use the unit to create a clear, handson display explaining the conversion of mechanical to electrical energy. This demonstration unit provides a straightforward, practical way to teach generator structure and operation without extra complexity.