Two of avometer: It need have the 200uA f les.

Experimental base plate: It has 35 groups of jacks, after the transparent box part inserts byway
structure automatic connect, also displays automatically the electronic circuit,
electronic circuit.

One of diode, transparent box size 44mm 44mm 30mm.

One of light emitter diode, transparent box size 44mm 44mm 30mm.

Ten of four kinds of connecting leads, transparent box size 44mm 44mm 30mm.

1K and 100 potentiometer each one, installs in the transparent box.

The transparent box installs variable resistor: 1K,10K,and 100K each one

The transparent box installs f xed resistances , 100 ,1 k,10k,1M, f ve kinds of each one.

Banana pin connecting lead: Three of red,three of black.

The transparent box installs triode PNP and NPN each one.