The Toolkit To Go PDF on the topic of Circuit Concepts is displayed below. The To Go version of the Teacher Toolkits are provided with the thought that physics teachers might want to have a back-to-back copy of a toolkit on a single sheet of paper in order to include in their printed files. The Physics Classroom grants teachers and other users the right to print this PDF document and to download this PDF document for private use. However, the document should not be uploaded to other servers for distribution to and/or display by others. The Physics Classroom website should remain the only website or server from which this PDF document is distributed and/or displayed.