Effect:
Magician shows a black acrylic rod with 6 different color gem stones on 2 different sides.  Spectator
is asked to name a number from one to six. Magician shows the color gem at that number.  All the gem stones change into that color on both sides.  The "Special Color" on these Hot Rods is what ever color you would like as these are custom made.  Great effect. Easy to perform.  High Quality.