A functional buildable bookend that doubles as an interactive steampunk train display. Assemble the set to create a train that appears to pass through your books, then place it on a shelf as a sturdy bookend and eyecatching decor piece. The set adds organization, visual interest, and handson play value in one model. Key benefits Dual purpose: serves as a practical bookend and as an engaging display model when assembled. Handson creativity: multiple building forms and mechanical linkage deliver varied layouts and ongoing playability. Day and night appeal: includes a lighting brick to illuminate the train in low light. Batteries not included. Expandable and flexible: bricks are compatible with major building brick systems, so you can add pieces and scenes. Features Functional: designed to sit at the end of a shelf or desk to support books while remaining a decorative element. Multiple configurations: assemble the components into several different forms, each featuring detailed mechanical linkage for motion and interaction. Lighting element: one lighting brick is included to highlight details and create an illuminated display after dark. Batteries are required but not included. Compatibility: built to work with bricks from major brands, enabling easy integration with existing collections and additional . Construction: assembled from standard building bricks for typical build stability and modularity. Practical use scenarios 1. Home bookshelf organizer and display: use the completed train bookend to keep paperbacks and hardcovers upright while adding an interesting focal point to a living room or study shelf. 2. Desk accent and night illumination: place the model on a desk or bedside shelf. Turn on the included light brick to create a soft, themed glow during evening hours. 3. Creative hobby project and playset: use the multiple building forms and compatibility with other bricks to expand the scene, rehearse mechanical linkage, or let children and adults build and rebuild as a constructive activity. What you get A building brick set that assembles into a steampunkstyle train bookend with mechanical linkage. One lighting brick included. Batteries not included. Compatible parts that can integrate with other common building brick collections. This set is intended for use as a functional bookend, shelf decor, and creative building activity, combining organization, display, and interactive play in a single model.