Emmet's Construct-o-Mech

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

• Cylinder Half 2 x 4 x 4Blue · ×4

2 printed parts are only in this set

• Brick 1 x 3 with Unikitty Angry, Mad PrintRed
• Tile 1 x 4 with SM-xxxxxxxx Print - Set 70814Yellow

2 parts appear in only a few other sets

• Animal Body Part, Cat Tail with Bright Light Orange Flames PrintRedalso in 70817 Batman & Super Angry Kitty Attack (all The LEGO Movie)
• Brick Arch 1 x 3 with Bright Light Orange Flames Print (Angry Kitty)Redalso in 70817 Batman & Super Angry Kitty Attack (all The LEGO Movie)

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

• Plate Special 1 x 1 with Vertical Tooth×14
• Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle×2
• Animal Body Part, Cat Tail with Bright Light Orange Flames Print
• Hair Rear Cowlick

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

• Brick Sloped 45° 2 x 1 with 2/3 Cutout [Original Version]Yellow · ×6
• Brick Sloped 65° 2 x 1 x 2Yellow · ×4
• Leg SkeletonLight Bluish Gray · ×2
• Plate 1 x 1Bright Light Orange · ×2
• Creature Body Part, Horn (Unicorn)Red
• and 2 more