Table Lifting Set by Illusion Craft - Trick

Effect

The table is in the center of the stage. Then the magician invites some volunteers on stage to examine the table (about 8 people). The volunteers all are asked to examine the table all over and under it, then the magician ask them all to circle around the table and stare at the small chalk "X" he draws on the table and also has all the volunteers place their hands flat on the table top. Then the magician asks the volunteers to stare at the "X" and think float! Then mysteriously the table slowly starts to float up...