The race is on to build hands-on coding skills! Build your maze, and then use the coding cards to create a step-by-step path for Colby, the Programmable Robot Mouse. Program the sequence of steps, and then watch Colby race to find the cheese! Details:Create your path with 16 maze grids to create a 20" x 20" maze board, 22 maze walls, and 3 tunnels for endless possibilitiesColby lights-up, makes sounds, and features 2 speeds along with colorful buttons to match coding cards for easy programming and sequencingAdd multiple players with Jack, the Programmable Robot Mouse LER 2841, sold separatelyColby measures 4"L and requires 3 AAA batteries not included.Contents:30 double-sided coding cards10 double-sided activity cardscheese wedgeActivity Guide to provide the perfect hands-on introduction to coding concepts