Mechanical Puzzles

Build working gears, moving mechanisms and satisfying STEM projects with our mechanical puzzles. Explore articulated insects, marble runs, clocks, vehicles, music boxes and other 3D wooden model kits for adults, teens, beginners and experienced builders. These kits turn precisely cut pieces into moving display models and hands-on engineering challenges.

Use the filters to compare difficulty, assembly time, piece count and age range, then choose a project that matches your experience. For a wider selection of wooden building kits, browse our 3D wooden puzzles. Prefer detailed metal construction? Explore our 3D metal puzzles. If you need help choosing, use our 3D Puzzle Finder.

Whether you want a relaxing screen-free hobby, an engineering challenge or a memorable gift, find a mechanical puzzle you’ll enjoy building and displaying.