Tin cans can easily become flower pots, just prepare tin cans, metal sandpaper P 1000, primer, spray paint in color/colors of choice, a paper sheet, scotch tape, a big piece of carton, soil, some gravel, a flower to plant. Clean the tin cans thoroughly in soap and water, both on the outside and inside and rinse well. Carefully remove any glue left from the labels. Completely dry before proceeding to the next step. Polish the surface with the metal sandpaper to remove any possible impurities and glue traces left and prepare the surface for painting. Lay your tin cans on a big piece of carton before starting to work on painting them. Keep reading what to do in the source.