The Maze Puzzle Pen is a type of pen that doubles as a maze puzzle. Here are the key features of this product:

1. Quantity: Each pack contains 12 maze puzzle pens.
2. Length: Each pen is approximately 6 7/8 inches long.
3. Material: The pens are made of plastic.
4. Internal Maze: Inside each pen, there is a maze structure.
5. Ball Bearings: The maze contains several 1/16 inch ball bearings that users can maneuver through the maze.
6. Assorted Colors: The pens come in an assortment of colors, meaning the colors may vary from pack to pack.
7. Ink Color: The ink used in the pens writes in black.

This product is likely designed to be both a functional pen and an entertaining puzzle, where users can enjoy navigating the small ball bearings through the maze while taking notes or writing. It could serve as a novelty or a fun addition to stationary items.