MathMagical Cubes / Popsicle Sticks is a powerful, interactive mental-style routine where a spectator freely assembles four numbered sticks to create multiple four-digit numbers, then attempts to total them using a calculatorāonly to have you instantly reveal the exact sum before they finish. Just when they think itās over, you take it a step further by correctly predicting the total of the hidden numbers on the back without ever looking at them, creating a double-impact effect that makes you appear not only lightning-fast with numbers, but impossibly intuitive. Built on a simple yet deceptive numerical principle, this routine is easy to perform, highly visual, and delivers a strong one-two punch of āmath geniusā and āmind readerā that plays big for any audience.