Andrea's Maze

Andrea's Maze is a ball maze, based on a design by Andrea Gilbert. Andrea designed a big maze on paper, where there is one maze when you walk between the wall, and another maze when you walk on the wall. Andrea's maze features bridges, tunnels, spirals, loops and dead ends, which make both mazes highly confusing to solve. Andrea's Maze was first published as puzzle #173 in the book Puzzle Box vol.1 by Peter and Serhiy Grabarchuk.

The 3D-printed maze has two sides, where the walls at one side are the paths at the other side, and vice versa. The objective is to get the tiny 3mm ball out of the maze. Solve one maze, flip the puzzle and solve the other maze.
Made by Oskar van Deventer, who has created many different puzzles including his brand of Oskar Puzzles which are mechanical puzzles and objects that can only exist thanks to 3D printing technology.  Since 1978, he has been creating hundreds of mechanical puzzles, making him one of the world's most prolific designers. Several of his innovative designs are commercially available.

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