Tesla Coil, Tabletop, 220/240V, 50/60Hz, hands-free. It teaches about transformer, electromagnetism, resonating electrical circuit, inductance, capacitance, power transmission. The set consists of two antenna plate, small neon lightbulb, mini discharge electrode and lamp socket.
Pulley Large Demonstration Single, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together