Click on the objects and see where you go!

Here are the official Fields and Events, for the Anchor node in the VRML text, according to the VRML2 Spec:
 Anchor {
  eventIn      MFNode   addChildren
  eventIn      MFNode   removeChildren 
  exposedField MFNode   children        []	 
  exposedField SFString description     "" 
  exposedField MFString parameter       []	
  exposedField MFString url             []	
  field        SFVec3f  bboxCenter      0 0 0 
  field        SFVec3f  bboxSize        -1 -1 -1 


------->>> the source for the .wrl file!