Wet-use kits (liquid can be used inside the syringe) can be purchased through
Studio Art & Technology. Contact John Bush for more details, 818-951-5620.
Just buy the Surenges and then replace the needles with fiber octic fiber.
They will look real. Unless you want to see the needle going into the skin. Then....Not sure where to buy those. But for the liquid you can use water, food coloring for different looks.
