1. [DIY BOOKNOOK] The book comes with the NOOK kit with parts and must be installed, not a finished product. Even if you are beginners, the color guide may guide you step by step to complete the book tail. This book is suitable for people over 14 years of age, and is a great way to communicate with young people or adults, and at the same time, like a real engineer, it can also inspire planning and building. 2. Human body sensor light] When the detection distance is approximately 0.5 ~ 3 meters, ambient temperature is close to the temperature of the human body, when the human body is close to the temperature, when it is close to that time. close. If the person does not leave, it will be illuminated again. The realistic atmosphere of the scene perfectly restores the miniature world in the corner of the book, allowing you to feel the charm and great miniature world! There are rich scenes and different ideas in a crowded area. When you look at the vivid corner of the book shelf, it can give you a sunny mood.