Slideboxby Stephan Baumegger (2024)condition: as new, comes with replacement pieces (2 acrylic edge pieces)description: A complex assembly puzzle with a 353-step assembly sequence. Built around a central cube, 12 acrylic edge pieces hold six side plates, each featuring pins and a unique internal maze. Although the mazes are clearly drawn on the plates, understanding how they interact is a little confusing.

Window Lock 3Richard Hensel (2024)condition: as new, never solveddescription: A more difficult follow-up to Window Lock 2, again with the goal of freeing the shackle by manipulating the internal mechanism. This time the front window is smaller, hiding more of what is happening inside and making the correct sequence much harder to work out. A clear step up in difficulty while keeping the same satisfying hands-on concept.

Window Lock 2by Richard Hensel (2024)condition: as new, never solveddescription: It's a unique and entertaining wooden lock puzzle where the goal is to free the shackle by manipulating the visible internal pieces behind the front window. The mechanism can be watched as you work, but finding the correct sequence still takes plenty of exploration and trial and error. Window Lock 2 is approachable and very satisfying to solve, much like Window Lock 1 was

Revomaze V1 Aquadesigned by Chris Pittmade by RevoHQ (2018)condition: as newserial number: AQ11001