Build Your Own Soda Can Solar Heater. Perfect for heating a Greenhouse or a small garage The basic premise of the project is to build a simple box out of some stack a hundred or two black-painted soda cans inside with some adhesive, and stick a.
Paint chips + poster frame = dry erase calendar to post students' assignments on! ***Warning*** The poster frame must be made of glass for the dry erase markers to write on it. Not as cost saving as it appears. Large glass frame do not come cheap.