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! 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.