This is the world's smallest working aquarium, which holds just two tea spoons of water and measures just 30 mm. wide by 24 mm. high and 14 mm. deep, can be held in the palm of your hand. It is so small there is only room for these baby zebra fish.
Triple-purpose water bottle for the survivalist in all of us. Portable UV-C bottle lights the way to clean water The CamelBak All Clear is a portable water bottle that uses light to disinfect. The water bottle is designed to last for years.