Learn the basics of dice stacking. You can go from zero to stacking four dice in half an hour to an hour of practicing, assuming you have good instructions and good equipment.
In this video you will receive clear step by step instructions to first master the basic back and forth sweep motion, then the dice pickup and finally the stack. You will also understand why it all works.
When you are ready to go beyond the basics we can recommend Mr. Dice Stacking and Friends and Dice Stacking Teach-In.