"Book 2 builds on basic coding and introduces the concepts of loops and variables using step-by-step instructions. Robot helpers feature throughout to ensure everything is clear. Learn how to use Logo, and build programs and games in Scratch, Code a maze game and learn how to add sound effects!"--Page [4] of cover.

Series information from publisher's website. Includes index and glossary. Previously published as a chapter 2 in "How to code : a step-by-step guide to computer coding" ©2015.

Loops -- Patterns with loops -- Loops in Scratch -- Loops forever -- Repeat until... -- Repeat until caught -- Adding sounds -- Sound effects -- Variables -- Keeping score -- Counting clicks -- Debugging.