Enhanced train track compatibility: Designed to seamlessly fit leading brand train sets, offering expanded possibilities for creative railway building in urban environments. Realistic railway crossing: This comprehensive set includes a lifelike railway crossing that adds authenticity and detail to city-themed train track layouts. High-quality materials: Made from 100% ABS material, ensuring durability and safety during play for a long-lasting and secure experience. Package dimensions: Approximately 13.4 x 13.4 x 3.9 inches (34 x 34 x 10 cm), providing convenient storage and portability. Versatile building block compatibility: Compatible with major brand building blocks, allowing children to seamlessly integrate these accessories into their existing sets, encouraging imaginative construction and storytelling. Material composition: Acrylonitrile, 1,3-butadiene, styrene; non-electric, no battery required. Block size: Small building brick (compatible with major brands), barcode: not applicable. Gender: Unisex, Plastic block shape: Self-locking bricks. Plastic type: ABS, model number: as shown in image. Warning: Not for food use, keep away from fire, Material: Plastic. Recommended age: 14+ years, Origin: China. Certification: Not specified.