Induction Tube Apparatus With 6 Coils, Tube Dimensions (L X D): 1500 X 20 mm, Coil Width: 10 mm, Distance Between Coils: 19 Cm, Due To The Magnet'S Free-Fall Acceleration Caused By Gravity, The Voltage Peaks Increase Proportionally With The Time.
Squishy Circuits Group Kit, perfect for classrooms, makerspaces, 10 Battery Holders (40 AA Batteries not Included), 10 - Piezoelectric Buzzers, 10 Motors with Fan Blades, 10 Switches, 80 LEDs 10 ea in Red, Green, White, Yellow, Orange, Purple, Blue