This challenging puzzle is designed to remove the heart-shaped piece from its steel frame. Each one is handcrafted in the USA from durable 6mm steel, giving it a solid feel and smooth finish. The puzzle comes neatly packed in a cloth storage bag, along with an information sheet that explains how to solve it. The compact size makes it easy to take anywhere, whether you're looking for a quick mental challenge at home or want to show off your puzzle-solving skills to friends.