Highlights downloadable and printable paper puzzles.

Manufactures brass puzzles which are custom-crafted. Presents product lists.

Mechanical puzzle toy that can be roughly described as the spherical version of the Rubik's Cube.

Highlights the different patterns of the company's Rubik's cube related 3D puzzles.

Provides photographs, applets, and a variety of solutions for solving different kinds of mechanical puzzles, including Rubik's cubes, related twisting puzzles, sliding puzzles, and pattern matching puzzles.

Discusses the production of wire puzzles depending on the difficulty levels.

Presents the company's product galleries, historical profile, and vision details.

Sells various types of mechanical puzzles. Shows item catalogs and resource links.

Offers puzzles, brain teasers, and toys on various level difficulties.

Discusses the history and highlights of mechanical puzzles.

Proffers mass-produced and hand-crafted puzzles. Shows resources for collectors and presents design details.

Features a large selection of puzzles to download and play, including logic and hands-on activities, and family brainstorms.

Provides descriptions, solutions, and diagrams of the metal puzzles created by Dennis Sucilsky.