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For the eyes, yes, there are 12 blue LEDs for each eye. Each eye is made up of a Logitec web-cam inside a flashlight body, which is inside a soup can :-) between the flashlight body and soup can is a loop of sergical tubing that acts as a diffuser, and the LEDs are behind that. The LEDs are controlled by an 8424 chip in the head, which is controlled via I2C from the main PIC controller in the body.Software controls the "blink" steps. I experimented with many variations before settling on the current one. How often Loki blinks is controlled by the PC, using a random number for the timing.