This training kit contains a complete set of materials that will enable you to learn the core administrator capabilities in BizTalk Server 2010. This kit includes lab manuals, PowerPoint presentations and videos, all designed to help you learn about BizTalk Server 2010. There is also an option below to download a Virtual Machine that is ready for you to use with the training kit.
Here is the link to Training
and for lazy people here is a copy of Microsoft's Page content.