Kids can make bridges, tunnels, and create their own track easily and safely with rounded edges. Pieces easily connect via built-in magnets so young ones can build with ease. Little do they know they're practicing STEM skills as they build with their sets. Little ones can race with two included LED light-up cars and pretend to speed down the roadway they built Road sign accessories included. Combine with other Best Choice Products magnetic sets for a giant color-tile town Tiles include 24 red rectangles, 16 large blue rectangles, 40 yellow squares, 20 orange triangles, 10 purple obtuse triangles, 40 bridges, 8 small green triangles, 4 windows, 4 purple trapezoid, 24 track pieces, 20 street signs, and 2 cars.