Melt the chocolate in a double boiler, remove from heat and immediately add the water and honey.
Turn vigorously with a wooden spoon and add a bit of powdered sugar.
Stir again and when you see that it begins to form a dough pour onto waxed paper that you will support on a marble slab, so as to cool the whole thing quickly and thus contribute to the formation of plastic chocolate.
At this point, with a latex glove to add some more icing sugar and work. The mixture should be a little sticky.
Let it rest in the refrigerator a half hour and you will see that it cools it will harden and become a dough ready to be processed.
If you still need to add a pinch of sugar.
Recipe by donna e casa ricette at http://ricette.donnaecasa.it/plastic-chocolate/