Wooden case,Normal Carton,container or according to client requirement
Shenzhen or Guangdong
Shipped in 30 days after payment
Physical Instrument Small Magnetic Needle
10 pcs in 1 set Stainless steel point at the top of the plastic base enables magnetic needles to rotate freely. To demonstrate linear current,circuit current,atlas&polarity of magnetic lines of force in conducted coils & direction of magnetic field round the magnetic object.