Puzzle Boxes handcrafted in the USA from native hardwoods. Free Shipping, No Minimum. Difficulty: Moderate to Hard. Great gifts for all ages! Brilliant Puzzle has one of the wide varieties of Secret puzzle boxes for fun but they are tricky too! The wooden puzzle boxes are a great way to present a gift or a gift card, and keep your Favorite small things. The highest quality wood & metal puzzle boxes from the best puzzle makers from Japan, Australia, Germany and The Netherlands.