Introducing the TESTING SLEEVE (6-RING) – the ultimate accessory for puzzle fanatics. Including a crystal-clear sleeve, guaranteeing that your maze rings are properly put together in the correct sequence. It's like having X-ray vision for your maze!
 
And guess what? You can even challenge yourself by solving the maze without peeking, by placing it under a desk for a mind-bending experience. With the TESTING SLEEVE (6-RING) you can be confident that your mazes are flawlessly assembled and all set for action. 
 
Please note: The picture shows an example, the final testing sleeve design will be updated as soon as possible.