I was quite interested in buying a Sun Jar (see below) but felt that for firebox.com’s crazy prices I could probably make a much better one myself.
“Collecting sunshine sounds like something a Bond villain might do on his day off, but it’s actually something the charming little Sun Jar does every day. That’s because this traditional-looking frosted glass container houses a solar cell, battery and LED lights.
The idea is to leave the Sun Jar near a window or under some decent artificial light so that it can collect energy throughout the day. Then when darkness falls it provides a warm, ambient glow.”
Sounds kinda cool. So armed with a tutorial from indestructables (http://www.instructables.com/id/Home-made-Sun-Jar/) I set out to make my own jars.
- 2x £1 Glass jar
- 4x £1 Garden light
- 1x £4.49 Can of glass frosting spray
This is where I deviated slightly from the indestructbles tutorial. Using tracing paper or filter paper did not give a good effect, so instead I decided to try and use up some led’s I had left over from making throwies.
- 2x Orange led (usually cost a few pence)
- 2x Blue led (usually cost a few pence)
- Use frosting spray to coat the insides of the jars. It takes about 45 mins to dry enough to touch.
- Take apart the garden lights completely so that the solar panel, battery, and led board are 3 seperate parts joined by wires.
- Desolder the small white led’s and replace with large bright coloured led’s.
- Lastly mount the led assemblies inside the jars (2 per jar) using very strong double sided tape.
This works out at under £4.25 for a bigger and brighter jar. Just goes to show just how much the markup is on these things. I still had plenty of spray left over too, so by making a third jar the cost per jar would again be reduced.