With this interactive coding adventure set, kids use counting and coding skills to solve math-filled rescue missions! They assemble the 9 puzzle cards into a town map, draw a coding challenge, then pick from the set's 3 character shells to choose the best one for the mission. Includes 1 robot hub with 3 interchangeable character shells (police car, fire truck, and construction vehicle), 9 town map puzzle cards, 15 math and coding challenges, and more. The police car shell measures about 5.5 in L.