This is easy LED Flasher circuit. It use IC 555 drive LED display.
A younger brother of me just begin take an interest the electronics. Want to try build Simple LED Flasher Circuit. I then advise this circuit , because of use the integrated circuit timer highly popular type IC NE555 or LM555 very the circuit is Pulse Oscilator the frequency is low. From the circuit will think to use LED 2 pcs wink alternate. Detail , have no chicken many mites. Invite a friend sees in circuit picture better sir.