Use mini cookie cutters to cut Babybel cheeses. It will be easier to cut the wax if it has been sitting at room temperature for a while. Or you can heat up your cutter in hot water for a few seconds then wipe it dry with a paper towel before cutting.
Easy Halloween Eyeball Recipe ~ These easy cheesy eyeballs have a simple list of ingredients: Mini Babybel cheese, black olives, ketchup, and red gel food coloring. I think I'd not use the ketchup and use all olive.