Check the listing for details. Magic Castle Magic Book Building Toys 749 Pcs. NEW. Condition: New. Listed at 19.95 USD. The Magic Castle Magic Book Building Toys consists of 749 pieces, suitable for children aged 6 years and up. This educational toy allows kids to engage in science and nature-themed play, as they construct their very own magic castle. With a compact product size of 6 x 4 x 7 inches and weighing 1.63 pounds, this toy is perfect for young builders to enjoy imaginative playtime experiences. Rated at 4.6 out of 5 stars by customers, this innovative toy promises hours of fun and learning for children.