Build your little one's vocabulary with this pack of six colorful blocks that help teach your baby familiar and advanced shapes and first words! With six sides of sensory play and a variety of hands-on activities, these blocks keep little hands (and minds) working all day. Bring the blocks over to the Laugh & Learn First Words Smart Puppy (sold separately) to hear phrases and sounds that advance with each Smart Stages level, helping to build the connection between what they see and the words they hear that helps turn those first babbles into first words.