The Sun Jar is an ingenious and rather charming lighting concept from designer Tobias Wong. Just as jam jars store jam, the Sun Jar stores sunshine. You sit the jar on your windowsill during the day, then when it gets dark the Sun Jar automatically turns itself on and glows with the day's sunshine. The jar contains a solar charging panel and low voltage bulb with a sumptuous orange glow, and an auto light-sensitive on/off switch. Don't let the sun go down on your day.