The New Powell Micro Writer is perfect when you prefer an adhesive Boon-type nail writer for close-up or stage. The Micro Writer holds a replaceable pencil lead that be changed in seconds. You can perform mind boggling effects like revealing a thought of number or shape, predict the amount of change in someone's pocket, and much more! In fact the Micro Writer can be used in conjunction with almost any spirit or mental routine and will greatly enhance the effect.