Harley Quinn to the Rescue

1 printed part is only in this set

• Tile 2 x 2 with Batgirl, Yellow Bat Logo, and '#1' Comic Book PrintLavender

11 parts appear in only a few other sets

• Plate 3 x 3Bright Pink · ×2also in 41025 Puppy's Playhouse
• Brick 2 x 2 CornerDark Pinkalso in 41374 Andrea's Pool Party
• Engine, LargeRedalso in 3182 Airport
• Plate 6 x 14Bright Light Orangealso in 41179 Queen Dragon's Rescue
• Tile Round 2 x 2 with White 'POW!' over Red and Yellow Text Bubbles PrintMedium Azurealso in 41238 Lena Luthor Kryptomite Factory (all DC Super Hero Girls)
• Chain 16L [21 Links]Trans-Bright Greenalso in 41179 Queen Dragon's Rescue, 41188 Breakout from the Goblin King's Fortress
• Net 10 x 10 SquareWhitealso in 76016 Spider-Helicopter Rescue, 76057 Spider-Man: Web Warriors Ultimate Bridge Battle
• Panel 1 x 4 x 1 with Rounded Corners [Thick Wall]Trans-Yellowalso in 70816 Benny's Spaceship, Spaceship, SPACESHIP!, 5984 Lunar Limo
• Tile Round 2 x 2 with White 'BAM!' over Medium Azure and Red Text Bubbles PrintYellowalso in 41230 Batgirl Batjet Chase, 41232 Super Hero High School (all DC Super Hero Girls)
• Tile 1 x 1 with Kryptomites Diamond-shaped Face PrintBright Green · ×2also in 30546 Krypto Saves the Day, 41237 Batgirl Secret Bunker, 41238 Lena Luthor Kryptomite Factory (all DC Super Hero Girls)
• Brick Arch 1 x 8 x 2 RaisedDark Pinkalso in 70803 Cloud Cuckoo Palace, 41152 Sleeping Beauty's Fairytale Castle, 42700 Candy & Cupcake Ferris Wheel

4 moulds first came out in 2016, including in this set

• Panel 1 x 2 x 1 with Rounded Corners and 2 Sides×2
• Hair Front Bangs Short on Top of Longer Sides and 2 Back Ponytails with Blue…
• Plate Round Half 4 x 8
• Tile 2 x 3

8 existing moulds first came out in their colour in 2016, including in this set

• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)Trans-Bright Green · ×8
• Brick 2 x 4Medium Nougat · ×3
• Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]Bright Green · ×2
• Brick 2 x 2 CornerDark Pink
• Chain 16L [21 Links]Trans-Bright Green
• and 3 more

5 minifigure parts with their print are only in this set

• Minidoll Head Male, Raised Right Eyebrow, Blue Eyes, Open Smile with Teeth PrintLight Nougat
• Minidoll Hips and Shorts with Right Black Leg and Left Red Leg, and Blue Shoes…Blue
• Minidoll Hips and Trousers with Back Pockets with Black and White Shoes Print…Blue
• Minidoll Torso Girl with Top with Red and Black Diamonds Harlequin Print -…Light Nougat
• Minidoll Torso Man with Dark Gray Short Sleeves T-Shirt, 'Capes&Cowls CAFE' and…Light Nougat