Let's fill the jar with some Sunlight.
Sun Jar/Moon Jar
Sun Jar/Moon Jar is a lamp.
The size is like this. This jar contains a Solar cell.
Place it where sun shines. And at dawn it glows.
'Sun Jar' emits a sunset-like faint orange.
'Moon Jar' emits a moonish cool glow.
Light blooms from these jars.