I spent about $60 for the parts overall. The idea was to use parts that are still available easily, although I worry about the scuba masks for it. Our other b

I spent about $60 for the parts overall. The idea was to use parts that are still available easily, although I worry about the scuba masks for it. Our other builds are at https://robots-everywhere.com/re_wiki/pub/web/Cookbook.SaltMask.html https://robots-everywhere.com/re_wiki/pub/web/Cookbook.SaltM...