clear ones can be humidity jars for tropical flowers.
dark ones can be cloche's for getting water deep into soil.
on wide end of neck, apply double sided tape all the way around. take a piece of coloured mylar - like florist mylar- and put bottle in center. pull up around bottle, with a flourish. Tie around tape with ribbon. Fill bottle with wildflower seed. Cork, and sell em as butterfly garden. If you use red mylar, they can put it around base of tomatoes for production boost.
If using denser seed, would be best to cut the cork in half, so you have a reducing throat. just push one half in ?
Take a nylon bearing with wide flange. screw from inside into a cork. attach bottles to cork in circle around outside. mount on axle. rainwater waterwheel garden art !
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