Get Solar Powered Mason Jars for $ 14.99 each at Brookstone. Even better, if you buy 6, you can get 20% off and use coupon code AFSHIP49 to get free shipping. These are around $ 10 more a piece elsewhere. They are made of frosted glass and deliver light for up to 5 hours from a single charge. There are four colors available: red, white, green and blue. Sales tax is charged in most states.