Solar Bulb turns water bottles into lights!
From the makers of the sleek and oh-so-useful HyMini personal wind turbine comes their latest invention, the sleek and oh-so-useful Solar Bulb. The small gadget comes in 5 colors, and can be screwed directly onto the top of almost all standard water bottles. The solar panel harnesses the sun’s rayes to power a bulb beneath, which illuminates the inside of the bottle to create a beautiful lantern effect and reliable light source. Buy them now via HyMini, starting at $24.99 each.