This Upgrade Pipe Magnetic Tiles Set Make Marbles Roll Up And Down Through The Track Quickly. The Magnetic Blocks Toy Includes 199 Pieces With Clear Colors, Your Kids Can Build Not Only Large Playground, Castle Models But Also Many Small 3D Shapes Such As House, Robot, Telescope, Snail, Etc. Our Magnetic Building Blocks Feature Robust, Upgraded Magnets That Ensure A Secure And Satisfying Connection With Each Piece. This Enhances The Building Experience, Allowing Your Child To Construct A Wide Variety Of Structures And Designs.