Line a baking tray with baking paper.
Melt the dark chocolate in the microwave on 50% power for 3-4 minutes (or until just melted), stirring every 30 seconds with a dry metal spoon.
Pour the dark chocolate onto the tray and spread it out with a spatula (or spoon).
Place into the fridge to set.
Meanwhile, chop the mini Oreos and mini chocolate chip cookies into small pieces and set aside.
Melt the candy melts in the microwave on 50% power for 2-3 minutes (or until just melted), stirring every 30 seconds with a dry metal spoon.
Pour the blue candy melts over the dark chocolate and spread out with a spatula.
Working quickly, place the chopped Oreos and chocolate chip cookies all over the candy melts.
Sprinkle over the edible eyes.
Place into the fridge to set.
Using a large sharp knife, cut into rough pieces and serve.