Dominoes Clip Art set contains 220 images for use in digital files created for mathematics-related instruction. All images are in .PNG format with transparent backgrounds so they can be dropped into your documents easily. Full set of blackline images + 3 color versions (red, yellow, green) included in this zipped file. Personal or small business use. Perfect for use in quick images, addition, subtraction, multiplication or fact family activities. After purchase you will receive an email with a download link to a compressed Zip file. For information on how to unzip files see here.