In case these were not included. The first two go beyond foam to plastic/cardboard materials which is much lighter still. (variations from the same guy) Other variations on size and luxuries. Some of the canvas popups require a bit of skill to build.
Examples:
https://youtu.be/ZiejAhol4Ps
https://www.youtube.com/watch?v=x2EgMCk0sts
https://www.youtube.com/watch?v=IdyR2zzjGWw (detail on building with material)
https://www.youtube.com/watch?v=PIv8wU0SL5s&t=773s
https://www.youtube.com/watch?v=h_wkmq_1RqE
https://www.youtube.com/watch?v=wGFk1LLaDHY (first of three, great build details)
https://www.youtube.com/watch?v=wJtde3xz5Tc (canvas?, collapsable)
https://www.youtube.com/watch?v=MDmXunG1RVc
More alternatives:
Trailer with elevated tent:
https://www.youtube.com/watch?v=oV5yaj6eqU0 (tent, not trailer)
https://www.youtube.com/watch?v=Lnu0G2YGLig (15 examples including some of the above, some are not for bikes)