2025/11/3 ㊗︎ Pythagoras Switch Exhibition @ Yokohama Museum of Art Masahiko Sato Exhibition: New × (How to Make + How to Understand) This was distributed to the first 300 people on the final day. Since we won't be using it at home, I'm putting it up for sale while it's still in good condition. It's a 2026 desk calendar with riddles as the theme, and you can enjoy a riddle every month. Brand new and unopened. If there are any defects, it's considered an initial defect, so please contact the publisher. - Brand: NEC - Model Name: Riddles Save the Earth Calendar - Year: 2026 - Color: Orange Thank you for looking. Please also read my profile if you have a moment.