Discover Electronics Kit contains everything you need to learn the basics of electronics and make your own projects. It contains the most common electronics components as well as a prototyping breadboard for you to get started right away. Easy full color diagrams teach you how to bring your own ideas to life. The Discover electronics kit uses standard components. All of these parts can be used by the beginner or the advanced user. As you grow and learn all of the parts in the kit are still useful in more advanced projects and can be expanded on by using additional parts.Requires 4 AA batteries. NOT INCLUDEDThe kit comes with clear, solderless breadboard and a simple battery pack. Clearly labeled parts and simple directions means you can have your first circuit up and running in minutes.The manual explains whats going on inside. Illustrations aid in understanding.