A nicely made Instructable on how to reuse old garden lights and make your own solar night lights with mason jars.
http://www.instructables.com/id/Create-Your-Own-Solar-Powered-Mason-Jar-Nightlight/
This is a companion discussion topic for the original entry at https://peakprosperity.com/create-your-own-solar-powered-mason-jar-nightlight/