Never used, the instruction manual, outer box, and the main body are all in beautiful condition. A unique puzzle that combines three-dimensional shapes. - Product Name: CUBOID - Brand Name: idontknow.tokyo - Colors: White, Black - Style: 3D Puzzle "Create a path from front to back" With this simple rule, it's enjoyable for everyone, regardless of age, yet it has a depth that captivates even programmers and mathematicians. It's a board game with that kind of depth. That game is CUBOID. With rules as simple as Othello, and a depth as profound as Go, it's a game you'll want to display in your living room. It's a completely new game that has never existed before in the world, but because the rules are simple and easy to learn, anyone from 10 to 80 years old can enjoy it. Both players and spectators can enjoy it together, across generations, making it highly recommended for Christmas, New Year's, and gatherings with friends and family.