This is the Entity Containment Device trilogy from nothing puzzles. I found this puzzle series to be quite the experience! The puzzles vary in difficulty, getting more challenging as you go, and I found each one to be packed with clever mechanisms and great aha moments. The puzzles also share a really nice aesthetic. These puzzles have each been solved a couple times and are in excellent condition. As part of the Kickstarter for this trilogy, I got a limited serialized set, and this set is #9, a...
$350.00