The idea is simple, but smart: you collect Sun light during daytime and use it at night. You can buy such jars, but you can also make them yourself. You just need to put a solar powered lamp to a jar. Such Sun jars looks great and adds some interesting details to your interior.

IF you are good in technology, you can construct solar powered lamp yourself, from small solar power cells. The esthetics might not be as good as in pictures, sadly. Sun jars – interesting source of self regenerating energy. They are ecological, they “turn on” by themselves when it gets dark outside and looks great.