Learning Resources Code & Go Robot Mouse Activity Set. Specifically designed to engage children in science, technology, engineering and maths, primary learners can get hands-on with STEM learning with this colourful early coding set! Young learners can explore early coding and programming concepts with Colby the robot mouse. Children program the mouse to perform a sequence of steps to race through a variety of maze formations to get the cheese. Engaging set includes 16 grid pieces, 22 maze walls, 3 tunnel pieces, 30 double-sided coding cards, 10 double-sided maze activity cards, plastic wedge of cheese and activity guide. Requires 3 x AAA batteries (not included).