reviewed by Joe Libby (confirmed purchase)
Rating: ★★★★★ (Date Added: Monday 28 October, 2024)
This is a fun close-up prediction effect that should get a good laugh. It's based on an old math trick that Devin has brought up to date. Virtually everyone on Earth has a mobile device with a calculator app, so you can do this at the drop of a hat. You will need a penny that is cut in half; in the ebook, Devin explains how to make it. Once you have that and have the simple math steps memorized, you'll be ready to entertain!