First Word Dominoes consists of 28 thick plastic domino tiles that have non-matching sides with a word on one side and a photo of an object on the other. It’s up to the player to find the other domino with the word that matches the object. The set is packaged in a handy collector tin for storage. Children will love the feel of real dominoes as they learn the concept of learning the sounds of letters in a fun and engaging way. 28 plastic pieces. Grades PreK – K.