Kindness Club: Positive Postcards Jun 29, 2020 Spread positivity! Use materials you have at home to create and address a postcard to cheer up friends and family anywhere! Supplies needed: paper, card stock or recycled cardboard, crayons or markers, glue, scissors, stamp. Click here to watch a video of author Diane Alber reading her book “A Little Spot of Kindness” and to print a postcard template.