Allow enough time to dry so you aren't working with a wet bottle. [substeps] Provide one bottle per artist or per color if you plan to use multiple colors.
[header] How to make cherry blossom art using the bottom of a soda bottle [title] Empty a few 2-liter soda bottles. [step] Make sure the bottles have the five bumpy ridges on the bottom--the ridges are an essential part of your project. For best results, empty the bottle and then clean soda with hot soapy water.