All you need to make your own nebula bottles is food coloring, cotton balls, and a few mason jars or an assortment of clear glass jars. Another option is to use small shot glasses depending on the size for your nebula creations. Having a selection of different sizes could make an interesting display.
Nebula bottles can also be a perfect gift for a birthday or any holiday. If you use small bottles, you may be surprised that they can make a perfect necklace. Simply use