This LEGO® DUPLO® toy truck teaches preschoolers the letters The LEGO® DUPLO® Town ABC Truck (10421) is a great building toy to help preschoolers learn the letters. This creative ABC toy lets preschoolers learn in a playful way. When toddlers attach the trailer to the toy truck and help the two LEGO DUPLO figures load and unload the bricks, they recognize the first letters, learn the colors, improve their speaking skills and develop dexterity. The imaginative accessories also include a LEGO DUPLO ABC book and a stereo system designed to encourage parents and toddlers to sing the letters together. This developmental toy encourages preschoolers to come up with creative stories of their own, hop in the toy truck and race off to the next adventure! Let toddlers...