☰ mtdb > Tricks > Trick< Back to all tricksBig Reaction Permalink: mtdb.co/?BigReaction Creator: Andy Nyman Big Reaction is Andy Nyman's take on a Roy Johnson effect. Andy purchased the rights from Roy and now he brings this commercial fun routine to you. Andy has performed his killer version of this trick literally thousands of times and the reaction is always the same - Huge. ... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |