Ugears Book of Secrets

Intriguing Steampunk Design: This 3d puzzles for adults blends artistry and engineering - an adult puzzle styled as a book, with dual-tone wood and hidden gears for a stunning display Secure Your Secrets: Among the most clever model kits for adults, our 3-d puzzles features a customizable 3-digit lock, hidden key, and multi-step sequence to access the secret compartment Precision Craftsmanship: One of the most intricate DIY kits for adults, with 263 laser-cut pieces, wax and sandpaper for smooth gear movement and long-lasting mechanical function Engaging & Rewarding Build: One of the most captivating models for adults to build - this medium-difficulty project requires focus, patience and delivers a deeply satisfying result Perfect Gift & Conversation Piece: A standout among wooden 3d puzzles for adults, this mechanical book box stores small treasures and elevates any shelf, desk or reading nook