Borrow a note and some coins. Balance the coins and the note on top of the bottle and explain you are going to remove the note using just one finger. When your friends take the bet, remove the note and it's yours to keep. The secret is simple. Before you start, place some saliva onto your finger, and then when you hit the note, it will stick to your finger and whip out from beneath the coins.
Fill up a glass with water and challenge your friends to float a paper clip on top of the liquid. Every time they place something into the glass, it will sink to the bottom. The secret is to form one of the paper clips into an L shape. Then balance another paper clip on the arm of the L, and carefully place the entire arrangement onto the top of the water. Amazingly the paper clip will float.
Place ten coins into a triangle that points forward. The bet is to reverse the direction of the triangle by moving just three of the coins. The secret is simple. Take away these three coins. Place these two at the base of the new triangle, and this one at the top.
Draw the Roman numeral nine on a piece of paper and challenge your friends to turn it into a six with one stroke of the pen. When they failed, explain it's really simple.
This bet, you need two glasses of liquid and two paper balls. Place one glass in front of your friend, the other in front of you, and the same with the balls. Now, tell your friends they have to mimic your actions. Move the ball. Move the ball again. Now, take a drink from the glass but don't swallow the liquid. Move the ball. Move the ball back again. Then move forward, spit the liquid back into the glass. They won't be able to repeat your action, and you will walk away with the money.
For this, you need a Brandy glass, a small tomato and an upturned glass. Place the Brandy glass over the tomato, and the bet is to move the tomato into the upturned glass by just holding the base of the Brandy glass. It's easy when you know how.
Place eleven match sticks in a row. Explain your friends they have to move five of them to create nine. When they give up, explain it's really easy. Just move these five match sticks, and you end up with the word nine.
Take a napkin and make a tear that stops within about a centimeter to the base of the napkin. Do exactly the same on the other side. Now, ask your friends to hold the two corners of the napkin and to move them apart so they loosen to three separate pieces. No matter how hard they try, they will only be left with two pieces.
Place two batteries or corks between your thumbs and fingers like this. Now, simply place your hands together, placing your thumbs and fingers on the end of the batteries or corks and remove them. It looks really simple, but when your friends try it, they'll find that trapped every time. The secret is to place your right thumb and first finger like this; your left thumb and first finger like this, and then they'll separate.
Borrow a note from a friend. Ask him to place the hands palm down on the table and explain the first part of this bet is all about balance. They need to balance these two glasses of liquid on their fingers. Once they are in that position, you can simply pick up the note and run.