Caesar's Codex is a wooden puzzle that brings ancient Rome to life with its design inspired by early book-binding techniques. The puzzle features four sliders with mysterious symbols that need to be aligned correctly to unlock a hidden compartment—perfect for hiding cash or a gift card in the side slot. Designed for ages 8 and up, it makes a thoughtful gift for puzzle lovers and history enthusiasts who enjoy a good challenge. True Genius puzzles like this one take inspiration from ancient civilizations, and each comes with the story behind its design. The vintage-style puzzle box is sturdy and well-crafted, making it a great display piece for a desk or bookshelf. Project Genius, the company behind Caesar's Codex, has been making mechanical puzzles and strategy games for over a decade. As a woman-owned business, they also run a dedicated work program for young adults with autism.