Improved train track compatibility: Designed to seamlessly fit leading brand train sets, offering expanded opportunities for creative railway building in urban environments. Realistic railway crossing: This comprehensive set includes a lifelike railway crossing, adding authenticity and detail to city-themed train track layouts. High-quality materials: Made from 100% ABS material, ensuring durability and safety during play, promising a long-lasting and safe 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 building and storytelling. Material composition: Acrylonitrile, 1,3-butadiene, styrene; electric: no battery required. Block size: Small building brick (compatible with Lego); barcode: N/A. Gender: Unisex; plastic block shape: self-locking bricks. Plastic type: ABS; model number: as shown in image. Warning: Do not eat, keep away from fire; material: plastic. Recommended age: 14+ years; origin: China. Certification: Not specified.