LEGO DUPLO Town Alphabet Truck 10421Drive toddlers letter learning with the LEGO DUPLO Town Alphabet Truck (10421) construction toy for preschool kids. This creative ABC toy delivers lots of playful learning. As toddlers connect the trailer with the toy truck and help the 2 LEGO DUPLO figures load and unload the bricks, they begin to recognize letters, learn colors, improve their language and hone fine motor skills. Imaginative accessories include a LEGO DUPLO ABC book toy element and a