That's enough to delight boy or girl and begin the circuit and his friends Thomas and imagine beautiful stories in continuity of the cartoon. This box can also and especially to the complement of a larger box with additional rails (but in line curve) and an adorable locomotive with a pretty blue, humanized with eyes and a mouth that works with batteries that are not provided. A great quality for those Fisher Price toys made in China. For a child of 3 years the presence of an adult is best for mounting.