The Secret Rhythm Miniature DIY Book Nook Kit It's a combination of fun and leisure to finish this book nook DIY craft kit. Almost all of the scenes you have to create yourself to gain a great sense of achievement. You can DIY or add mini dolls or any other miniatures stuffs in it as you like. Suitable for people over 14 years old. This 3D wooden puzzle book nook kit for adults and teens is more refined than an ordinary handicraft. Note: You need to prepare silicone liquid glue and two batteries (type AAA).