The Crafty Puzzle Company is proud to bring you. A selection of Unique Interlocking 3D Wooden Brain Teasers, 3D Jigsaw Puzzles, Skill Games and Toys. 3D Jigsaw Puzzles and Brain Teasers are a great way to pass the time. They can also be used a educational aids for children and adults alike. All of our puzzles are in 3D form and can be used as a display once completed.