Take one of the eye pins and insert three different colour beads. Here I am using a green, yellow and red bead. Now make a loop at the end of the eye pin using nose pliers.
Insert a jump ring to the loop, and attach it to the earring hook. Tighten it using nose pliers.
Make one more earring in the same way. This is the basic method of earring making. You can try out with different colours and patterns.