"When THE JOKER™ escapes from jail, your little super hero joins Batman™ and Robin™ as they try to capture him and put him back where he belongs. This means lots of fun-packed action, imaginative role play and a chance for toddlers to develop super-power skills! Developmental play with Batman and Robin LEGO® DUPLO® Batman Batcave™ (10919) features Batman, Robin and THE JOKER in a versatile playset designed to encourage creative play and stimulate developmental benefits. Infants build fine motor skills as they maneuver the Batmobile™ toy through the gate and open and close the jail door. Role-playing the interaction between the 3 characters encourages social and emotional development. Iconic characters and endless, pretend-play action Featuring favorite super heroes and Super-Villains, cool gadgets and amazing vehicles, LEGO DUPLO Batman starter sets provide toddlers with endless developmental play and give parents an opportunity to share precious moments with their little superhero."