Stop the Joker's chaotic ways with The Joker Challenge Lego Duplo Set. Help Batman save the day by driving to the scene in the Batmobile and using the Batarang to stop the Joker's out of control radar. This set includes 2 Lego Duplo figures: Batman and the Joker. Accessories include Batarang, radar, decorated control panel brick, fence, and Batmobile. Batmobile measures approximately 1"H x 7"L x 1"W. The Joker's radar room measures approximately 7"H x 7"W x 1" deep when assembled. Radar measures approximately 5"H x 2"w x 3" deep. 40 pieces. Recommended for ages 2-5 years. Model: 10544.