Match and Learn Language Arts with Junior Learning Homophone dominoes are a great learning resource and an excellent manipulative for reinforcing key concepts. It includes 28 piece set of melamine dominoes. The dominoes come in a collectors tin for storage and the game guide can be found on the back of it. A perfect addition to your classroom or home learning resources. Children will love and enjoy the feel of real dominoes as they complete the homophone matching game. Dominoes measures 1.9 x 1 x 0.25 inches. For ages 6 - 11. Grade 1 - Grade 5. WARNING: CHOKING HAZARD-Small parts. Not for children under 3 years.