Rattle Bars

Three small wands are shown, one of which contains a rattle. The spectator is requested to keep his eye on the rattling wand as they are shuffled around. But the spectator is unable to find the rattling wand again, as the magician is in complete control. Baffling trick!
Box Dimensions (in Inches)
Length : 10.00
Width : 4.10
Height : 1.10