This 3D printed puzzle was designed by the prolific burr puzzle creator Christoph Lohe. It is sold with his permission and he will receive a percentage of the sales. The puzzle ships assembled.
The Mini Lock 2 design follows the beginner's puzzle 'Mini Lock'. Burrtools level 11.2.3. It is not significantly more difficult, but is enjoyable due to the higher level and inclusion of a key shaped piece.
