it measures 22cm in diameter

If that's not powerful enough

Can be done in the hand

for the methods are as diabolically cunning as the effects are sophisticated

Actual measurements are 15"

Peter Turner's Mentalism Masterclass Set (13 Books) Easton - Daryl it measures 22cm in diameterThe Masterclass Series: Now in Print for the First Time. For a decade, Peter Turner's Masterclass series has been the underground syllabus for a new generation of mentalists. It defined a "propless" revolution, shifting the focus from gadgets and gimmicks to the raw power of psychology, linguistics, and human connection. Often talked about as the "Godfather of Propless Mentalism", by stripping away the gadgets and the gimmicks, Turner proved that the