Boost your brand with our most challenging brain teasing puzzle cube of all! The Extreme Puzzle Cube has 16 brightly colored panels on each side, with one side in white to help your imprint really pop. A great toy to practice patience, sharpen mental skills, and problem solve, plus they provide therapeutic benefits and stress relief. There's a reason this toy has been popular for so long -- people love them, making for a perfect promotional giveaway or gift.