Jack, the fully programmable robot mouse, is ready to follow commands to teach hands-on coding concepts! Create a step-by-step path for Jack using the 30 double-sided coding cards to provide the perfect introduction to coding concepts. Jack lights up, makes sounds and features 2 speeds and colourful buttons to match coding cards for easy programming and sequencing. Jack measures 10 cm (4") L and requires 3 "AAA" batteries (not included).