OK I just went back and looked again . I think we can break it fown a bit and make it doable for you :thumbup:
After you have all the "sections" ready. Start with sewing on the Yellow sections. Start on the corner of the brown/red star ( pick one side ) and sew one side on , sew all the way . Then go to the other side and do the same. Do this for all 4 of them . Once those are all on then you should be able to go back and add on the 9 patches. For those also start in a corner and sew out, be sure to catch the yellow sections as you go. You can pin these together to make sure , you catch them .
Does this make sense ?