The Joker Challenge

1 part comes in a colour no other set has for that mould

• Duplo Fire ExtinguisherBright Green

1 printed part is only in this set

• Duplo Figure with Parted Wavy Hair Bright Green, with White Face - JokerDark Purple

6 parts appear in only a few other sets

• Duplo Cape with Elastic LoopBluealso in 10545 Batcave Adventure, 10823 Batwing Adventure (all Duplo)
• Duplo Car Body, Batmobile with Batman Logo PrintBlackalso in 10919 Batcave, 10842 Batcave Challenge (all Duplo)
• Duplo Figure Batman with Mask / Cowl Blue, with Batman Logo PrintLight Bluish Grayalso in 10545 Batcave Adventure, 10823 Batwing Adventure (all Duplo)
• Duplo Dish / Radar 3 x 3Yellowalso in 5681 Police Station, 10808 Little Plane, 10608 Spider-Man Spider Truck Adventure (all Duplo)
• Duplo Batman Bat-a-Rang / BoomerangBlackalso in 10545 Batcave Adventure, 10823 Batwing Adventure, 10919 Batcave, 10842 Batcave Challenge (all Duplo)
• Duplo Brick 2 x 2 Slope 45° with Gauges, Joystick and Buttons PrintRedalso in 10591 Fire Boat, 10813 Big Construction Site, 10805 Around the World, 10592 Fire Truck (all Duplo)

1 part is otherwise only found in Duplo sets

• Duplo Turntable / Cannon Base 2 x 2Red

5 moulds first came out in 2014, including in this set

• Duplo Batman Bat-a-Rang / Boomerang
• Duplo Cape with Elastic Loop
• Duplo Car Body, Batmobile with Batman Logo Print
• Duplo Figure Batman with Mask / Cowl Blue, with Batman Logo Print
• Duplo Plate 4 x 4

2 existing moulds first came out in their colour in 2014, including in this set

• Duplo Brick 2 x 4 Curved TopDark Purple
• Duplo Car Base 2 x 4 with Fixed Axles - 27.5 Yellow Wheels and Black TiresBlack