Air core solenoid, coils wound on a plastic tube with approximately 575 turns of copper wire, can carry a current of 5A continuously or 10A intermittently.
Earth Layer Model with Seismic Wave, shows the connection between inner layers of Earth, spreading of seismic waves in the interior of Earth & Earth's magnetic field, Diameter of the Earth: 226 mm, Scale: 1 mm approx 56.41 km, Dimensions: 387 x 350 x 240 mm3
Oersted's Apparatus, demonstrates the action of electric current on a magnet. A cobalt steel needle (75mm long) with agate bearing supported by pivot, mounted on a plastic base and surrounded by rectangular frame fitted with terminals, 0.6 lbs, 8.0x7.5x1.8in
Current Balance, used as an accessory to Air Core Solenoid to measure the force experienced by a conducting loop carrying an electric current when, placed in a magnetic field.