Floating Mountains: Site 26 & RDA Samson

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

• Brick Sloped 4 x 6 x 2/3 DoubleLight Bluish Gray · ×3

1 printed part is only in this set

• Windscreen 6 x 7 x 1 1/3 with Black and Dark Blue Frame PrintTrans-Brown

9 parts appear in only a few other sets

• Glass For Frame 1 x 3 x 3Trans-Brown · ×5also in 21341 Disney Hocus Pocus: The Sanderson Sisters' Cottage
• Plant, Vine with Bar and Bar HoleBright Light Blue · ×2also in 75574 Toruk Makto & Tree of Souls (all Avatar)
• Technic Beam Round 11 x 11Dark Bluish Gray · ×2also in 42179 Planet Earth and Moon in Orbit
• Creature, Direhorse with Blue Mane and Tail PrintBright Light Bluealso in 75574 Toruk Makto & Tree of Souls (all Avatar)
• Steering Wheel Small, 2 x 2 [Reinforced]Dark Tanalso in 42136 John Deere 9620R 4WD Tractor
• Brick Special 1 x 1 with Clip HorizontalBright Light Blue · ×2also in 75574 Toruk Makto & Tree of Souls, 43225 The Little Mermaid Royal Clamshell
• Hair Swept Back, with Ponytail (Bar)Black · ×2also in 75574 Toruk Makto & Tree of Souls, 75572 Jake & Neytiri's First Banshee Flight (all Avatar)
• Door 1 x 4 x 5 Train Left - Thick Support BottomSand Bluealso in 41731 Heartlake International School, 910035 Logging Railway
• Hair Short Wavy with Side PartDark Orangealso in 75460 New Republic X-wing Starfighter, 75447 The Razor Crest

1 part is otherwise only found in Avatar sets

• Minifig Hipwear Tail, MouseMedium Blue · ×2

10 moulds first came out in 2022, including in this set

• Hair Swept Back, with Ponytail (Bar)×2
• Hips and Dark Tan Long Legs×2
• Launcher, Plate Special 1 x 2 with Mini Blaster Square×2
• Minifig Head Special Alien Na'vi with Yellow Eyes, Blue Markings, Open Mouth…×2
• Plant, Vine with Bar and Bar Hole×2
• and 5 more

17 existing moulds first came out in their colour in 2022, including in this set

• Plate 1 x 5Light Bluish Gray · ×9
• Bar, Angled with 1 x 1 Round Plate / Stud on EndDark Blue · ×8
• Glass For Frame 1 x 3 x 3Trans-Brown · ×5
• Window Frame 1 x 3 x 3Light Bluish Gray · ×5
• Bracket 1 x 1 - 1 x 2Black · ×4
• and 12 more

11 minifigure parts with their print are only in this set

• Hips and Dark Tan Long LegsDark Tan
• Minifig Head Grace Augustine, Reddish Brown Eyelashes, Stern / Worried…Light Nougat
• Minifig Head Jake Sully, Reddish Brown Eyebrows, Worried / Breathing Mask PrintLight Nougat
• Minifig Head Special Alien Na'vi with Yellow Eyes, Blue Markings, Open Mouth…Medium Blue
• Minifig Head Special Alien Na'vi with Yellow Eyes, Blue/Orange Markings, Angry…Medium Blue
• and 6 more