Lift the flaps to reveal what's inside a computer, how chips work and what really happens when you go on the internet, explained with the help of friendly robots. Fun puzzles and a treasure hunt game illustrate the basics of coding, from simple commands to repeating sets of instructions, with real examples in the coding language Scratch™. Includes internet links to specially selected websites where readers can discover even more coding ideas, tips and games. Computer coding is a compulsory topic on the UK National Curriculum for primary schools, and children learn to create and debug simple programs at Key Stage 1.