Cups and Balls is the oldest trick in the history of magic.
It is still performed by street magicians all over the world, even though currently it is primarily performed as table magic...
With this effect we will provide 2 routines: One being a self-working routine, and the other is an advanced routine.
3 Plastic Cups (1 Red/ 1 Blue/ 1 Yellow)
4 Small Green Woolen Balls