The Blobz Guide to Electric Circuits interactive flash game is an introduction to electric circuits for kids. Sections include: How Circuits Work, Conductors and Insulators, All About Switches, Changing Circuits, and Circuit Diagrams.
Each section includes a lesson, an activity, and a brief quiz. When a student scores 4 or better on the quiz in each section, they earn a printable certificate
The game is ad-free and a really good introduction to circuits for elementary school students. Please note that because this game is flash-based, it will not run on iPhones and iPads without a special browser or app.