Step 1: Materials
1. 4 tervis tumblers (or other sturdy cup)
2. 3 knives (not plastic they will break)
3. One cup of water or other liquid
Step 2: Placement
Place the cups 7-8 inches apart in a triangle formation.
Step 3: The Hard Part
This is the hard part so be patient. Cross the knives so they all rest o each other. It's ok if you don't get it. Keep trying.
Step 4: Placing and Filling
Start by making sure it will hold weight . Place an empty cup on the center where they cross then slowly fill with water.
Step 5: Ta Da
The cups should stand by themselves if they don't try again. If you succeed use this trick to amaze your family and friends. Have fun!