Personal B is the plan including the building instructions, the tutorials and courses. We have Personal A available and it is designed mainly for Tutorials. To get most of the potential of the platform you must have Personal B. With Personal B you get access to more than 300 instructions and most of the really complex instructions require Personal B.
Here are just some of the resource included in Personal B
Personal A plan is designed for Tutorials. For legacy reasons we have about 100 attachments and robot constructions that are still available under this plan mainly for older competitions and WRO. Here is a full list