This physics experiment can help compare the magnetic forces of electromagnets. All experiments parts are installed within the container which is great for safe keeping and easy transportation.

Contents:

• (3) hollow spiral tube coils: Φ15mm 150 ring, Φ 30mm 150 ring, Φ 15mm 300 ring 
• (15) terminals
• (3) battery compartments
• (2) small compasses
• (1) bar
• (3) AA batteries
• Conducting wires with plugs