The Mountain Cave

4 parts come in a colour no other set has for that mould

• Equipment Shovel BlockyFlat Silver
• Plate Special 2 x 6 with Pole Holder PinLight Bluish Gray
• Spiral [Fireman] Pole 32LDark Tan
• Windscreen 2 x 4 x 2 VerticalTrans-Bright Green

5 printed parts are only in this set

• Animal Body Part, Head Blocky with Pixelated Face with Red Eyes Print (Wolf)Light Bluish Gray · ×2
• Brick 2 x 2 with Dark Green Square PrintTrans-Bright Green · ×2
• Food Steak on Bone with Dark Red Meat PrintWhite
• Panel 1 x 2 x 1 [Rounded Corners] with Green SquareTrans-Bright Green
• Tile Round 1 x 1 with Blue, Yellow and Black Minecraft PrintPearl Gold

9 parts appear in only a few other sets

• Minifig Head Special, Cube [Plain]Dark Brownalso in 21127 The Fortress (all Minecraft)
• Plant, ApplePearl Goldalso in 21145 The Skull Arena (all Minecraft)
• Plate 1 x 1 with Red, Purple Pixels (Minecraft)Dark Bluealso in 21147 The Bedrock Adventures (all Minecraft)
• Tile 2 x 3 with Centered Black Minecraft Style Arrow, Dark Brown Lines with…Medium Nougat · ×2also in 21146 The Skeleton Attack, 21155 The Creeper Mine (all Minecraft)
• Tool Pickaxe Blocky, DoubleMedium Lavenderalso in 21131 The Ice Spikes, 21136 The Ocean Monument (all Minecraft)
• Brick 2 x 2 without Inside RidgesTrans-Medium Blue · ×9also in 21120 The Snow Hideout, 21131 The Ice Spikes, 21142 The Polar Igloo (all Minecraft)
• Helmet RectangularPearl Goldalso in 21127 The Fortress, 21252 The Armory, 472506 Hero with Crafting Table, Furnace and Anvil (all Minecraft)
• Tile 2 x 2 with Pixelated Blue, Green and White Map on Tan Background PrintDark Tanalso in 21144 The Farm Cottage, 21152 The Pirate Ship Adventure, 21163 The Redstone Battle (all Minecraft)
• Minifig Neckwear Armour Breastplate Rectangular (Minecraft)Pearl Goldalso in 21127 The Fortress, 21168 The Warped Forest, 21243 The Frozen Peaks, 662401 Stray, Crystal Knight and Shooter (all Minecraft)

2 parts are otherwise only found in Minecraft sets

• Legs, Long, EndermanBlack
• Minifig Neckwear Armour Breastplate Rectangular (Minecraft)Flat Silver

3 moulds first came out in 2017, including in this set

• Plate Special 2 x 2 Wedge, Center Stud, 1 x 1/2 Raised Tab×42
• Tile 2 x 2 Curved, Macaroni×9
• Tile 4 x 4 Curved, Macaroni×5

7 existing moulds first came out in their colour in 2017, including in this set

• Plate Special 4 x 4 with 2 x 2 OpeningDark Bluish Gray · ×21
• Plate 6 x 6Sand Green · ×12
• Bar 1 x 4 x 3 [End Tabs]Medium Nougat · ×8
• Plate 6 x 6Medium Nougat · ×7
• Minifig Neckwear Bracket [One Stud]Dark Brown · ×4
• and 2 more

1 minifigure part with this print is only in this set

• Minifig Head Special, Cube with Rear Ledge, Pixelated White and Tan Face, Dark…Black