Elevator Box by Hiroshi Iwahara (2024)Solved a few times but in perfect condition. Includes the original solution sheet.Description from the KCG website:I imagined the movement of a character in a video game who runs up elevators.The trick is based on my past work, "Bean Bag Drawer" (RF-36), designed over 10 years ago.It was my favorite work however I gave no hint to solving it. This time, the hint is in the patterns on its surface.The drawer is partitioned and it's easy to open halfway. Please...

Deception Box by Hiroshi Iwahara (2021)Solved a few times but in perfect condition. Includes the original solution sheet.Description from the KCG website:The cover rattles. However, you can't open it with the usual methods. You have already been deceived. It takes only one move to open. But you will be surprised to know how to open it. It is based on an idea that was considered when developing an item over 10 years ago. At that time, I had to store this idea until later due to some issues. Howe...

ON! from the Karakuri Idea Contest 2024.Solved a few times but in perfect condition. Includes the original solution sheet.Description from the KCG website:This is a Karakuri switch box. You must want to turn it ON even if you don't know what will happen, don't you?Even if you try to move the lever, it just moves slightly. Can you turn it ON and open the drawer?It isn't too difficult to solve it but you will notice a kind of joke when you solve it…Original idea by Yasunari Makino Hand-crafted b...

Planet with a Ring II by Hideaki Kawashima (2024).Solved a few times but in perfect condition. Includes the original solution sheet.Description from the KCG website:This Karakuri box is based on a planet with a ring. The ring is in the way and the lid will not open, but it does not require any force to remove the ring. Please wrack your brain and think of a solution. There is enough space for the finger ring.The strength of the internal structure has been improved since it was made in 2017.The s...

Hungry Sea Otter by Yasuaki Kikuchi (2024)Solved a few times but in perfect condition. Includes the original solution sheet.Description from KCG:I created this work with two motivations as follows:First, I wanted to realize the mechanism of the traditional secret box in a more three-dimensional way.Second, I wanted to express movements based on the ecology of my favorite animals.While the exterior has a unique shape, the mechanism inside is complex, so it was a lot of work to do.Buyer pays ship...