male to female / male to male / female to female 40P dupont cable jumper wire, Dupont line 30cm male to male + male to female and female to female jumper wire Dupont cable for arduino.

flat cable 40P dupont cable jumper wire: male to female / male to male / female to female 

[ Optional dupont cable jumper wire ]:

Optional 1:  female to female 21CM
Optional 2:  male to female 21CM
Optional 3:  male to male 21CM
Optional 4:  female to female 30CM
Optional 5:  male to female 30CM
Optional 6:  male to male 30CM
Optional 7:  female to female 40CM
Optional 8:  male to female 40CM
Optional 9:  male to male 40CM