This is the Tonecheer Monster Carnival Book Nook Kit [TQ144]

The Tonecheer TQ144 "Monster Carnival" is a 3D wooden puzzle book nook kit featuring a, double-sided, spooky-yet-adorable, haunted castle theme. ThisDIY project has roughly 462 pieces, requires roughly 6-8 hours to build, and features integrated LED lighting. 

Key Features of the TQ144 Monster Carnival Kit:
Double-Sided Design: The book nook features two distinct themes back-to-back—a moody, dark castle side and a lively monster party in a courtyard.
Interactive Lights: Includes LED lighting designed to enhance the mysterious atmosphere of the scenes.
Assembly Details: Designed for enthusiasts 14+, featuring laser-cut, environmentally friendly wood.
Compact Size: Assembled dimensions are approximately.
Perfect Gift: A great hobby item for adults and teens who love mysteries, crafting, and unique bookshelf decorations. 

Note: Requires batteries and often assembly glue, which are typically not included in the package due to shipping restrictions.