- VTech Marble Rush S500 Interactive Marble Track Set, ideal for children - Includes 41 pieces and 6 MarBalls to create custom tracks - Promotes motor skills, creativity, and understanding of cause and effect - Full-color instructions with multiple difficulty levels for solo assembly - Interactive fun with basketball action to improve hand-eye coordination - Multiple design options: curves, tunnels, and ramps for unique tracks - Compatible with other Marble Rush sets to build larger marble worlds - Made of durable materials and vibrant colors - Perfect for learning, education, and home entertainment