Word-formation activities are fun with these plastic dominoes. Includes 200+ color-coded dominoes featuring root words, prefixes, and suffixes. Packaged in handy storage bucket. Activity guide available online. Learning Skill: Reading + Writing Measurements: 7.5 Height/Inches, 3.75 Length/Inches, 4.75 Depth/Inches Base Material: 100% Paper Care: Wipe Clean Country of Origin: Imported