Compare and estimate cars of varying sizes Also great for counting, sorting, patterning, number stories, problem solving and developing critical-thinking skills. Specifications: Includes 88 cars in 4 colors and 3 sizes (13), 4 interlocking road tracks and Activity Guide. Tracks are marked in 1 increments allows for transition to standard measurement. - Grades PreK+ What's in the box Includes: - 88 Cars in 4 colours and 3 sizes - 4 Interlocking Road Tracks - Activity Guide