It's a diary from South Korean Design team Connect Design, with a watch in the center that you can use as a wall clock in a bookcase. Open the inside pages, you will find that each page is a time whiteboard, pick up the pen at the corresponding time to write down the schedule, such intuitive tips help you better manage your precious time. There are four colors, each priced at $17, and the matching inside page can be replaced, priced at $3, it is available here.