Make a solar balloon..or buy one for $20

This is pretty cool build, the author uses garbage bags but apparently you can get a kit now these days to do it.  Me…I think I would buy the kit.

https://www.instructables.com/id/Ten-Meters-DIY-Solar-Balloon/

kit

https://www.amazon.com/TEDCO-Tedcotoys-Activity-50-foot-Balloon/dp/B00LW7WGRK/ref=as_li_ss_tl?ie=UTF8&qid=1538489093&sr=8-2&keywords=Solar+balloons&dpID=51hrZ0Yx1YL&preST=_SX300_QL70_&dpSrc=srch&linkCode=sl1&tag=inst0af-20&linkId=71fdae7d442355e16ca96398fc64eb29&language=en_US

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