Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece
and leave with the element ID LEGO asks for, or a link to buy the part.
980 pieces in 331 part and color combinations, plus 7 minifigures.
The official piece count includes the 30 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.
Before you call it missing
Builders who report a missing piece often find it in one of these places. Tick each one off as you look.
Look-alike colors in this set
These parts appear in this set in two colors that are easy to confuse. If you are one short in one color,
check whether it went in where the other color belongs. Each color has its own element ID in the parts list
at the back of the instructions.
Plate 1 x 2Black ×13Dark Blue ×9Black is yellower and darker than Dark Blue.
Plate 1 x 6Black ×2Dark Blue ×2Black is yellower and darker than Dark Blue.
Plate 1 x 8Black ×6Dark Blue ×1Black is yellower and darker than Dark Blue.
Plate 2 x 2Black ×2Dark Blue ×1Black is yellower and darker than Dark Blue.
Plate Round 4 x 4 with Pin HoleBlack ×4Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Technic Beam 1 x 3 ThickBlack ×2Dark Bluish Gray ×1Black is darker than Dark Bluish Gray.
Rock 4 x 4 x 1 1/3, Top with Trans-Light Blue Crystals PatternPearl TitaniumPart 87398pat0001Element 6392821×1
Rock 4 x 4 x 1 2/3, Bottom with Trans-Light Blue Crystals PatternPearl TitaniumPart 88644pat0001Element 6392822×1
Reddish Brown
6 pieces
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End SectionReddish BrownPart 40379Element 6372430×1
Animal Body Part / Plant, Tail / Neck / Branch / Trunk, Middle Section with Pin, Square Pin HoleReddish BrownPart 51274Element 6326087×1
Brick Sloped 65° 2 x 1 x 2Reddish BrownPart 60481Element 4629736×1
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)Reddish BrownPart 15573Element 6092590×1
Plate Special 3 x 2 with Rounded End, HoleReddish BrownPart 3176Element 6172636 or 4541284×2
Green
5 pieces
Brick Round 4 x 4 Centre HoleGreenPart 87081Element 6353424×1
Plant, Leaves 6 x 5 Swordleaf with Clip [Thick Open O Clip]GreenPart 10884Element 6313099 or 6097473×1
Plate Round 4 x 4 with Pin HoleGreenPart 60474Element 6353423×1
Plate Special 1 x 2 Rounded with 2 Open StudsGreenPart 35480Element 6210271×2
Trans-Clear
3 pieces
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]Trans-ClearPart 2654Element 6581772 or 6163901×1
Tile Round 1 x 1 with Bacteria PrintTrans-ClearPart 98138pr0197Element 6532090 or 63840691 spare in the box×2
Trans-Red
3 pieces
Light Brick 2 x 3 x 1 1/3 with Dark Bluish Gray Base [Red LED]Trans-RedPart 54869Element 6577222 or 6555881×1
Plate 1 x 2Trans-RedPart 3023Element 6514003 or 6240212×2
Orange
2 pieces
Brick 2 x 3OrangePart 3002Element 4153826 or 4125971×1
Brick and Axle Separator v2.0OrangePart 96874Element 6240515 or 4654448×1
Trans-Green
2 pieces
Tile Round 1 x 1Trans-GreenPart 98138Element 6514194 or 62747421 spare in the box×2
[No Color/Any Color]
2 pieces
Sticker Sheet 1 for Set 60351-1[No Color/Any Color]Part 10100080Element 6399213×1
Sticker Sheet 2 for Set 60351-1[No Color/Any Color]Part 10100081Element 6399214×1
Bright Green
1 piece
Plant, Stem with 3 Leaves and Bottom PinBright GreenPart 37695Element 62350801 spare in the box×1
Dark Tan
1 piece
Plate Special 1 x 2 Rounded with 2 Open StudsDark TanPart 35480Element 6231386×1
Medium Azure
1 piece
Plate Round 6 x 6 with HoleMedium AzurePart 11213Element 6029690×1
Medium Blue
1 piece
Bracket 1 x 1 - 1 x 1Medium BluePart 36841Element 6248079 or 6236112×1
Medium Nougat
1 piece
Hair Swept Left Tousled [Plain]Medium NougatPart 23186Element 6145528×1
Minifigures
7 figures
Man, Vibrant Yellow Safety Vest, Bright Light Blue Legs, Red Hard HatMinifigure, checked as a whole figure×1
Man, Dark Azure Tracksuit with Classic Space Logo, GlassesMinifigure, checked as a whole figure×1
Dr. Barnaby WyldeMinifigure, checked as a whole figure×1
Gwen RavenhurstMinifigure, checked as a whole figure×1
Astronaut, Female, Bright Light Orange Suit, Dark Blue VisorMinifigure, checked as a whole figure×1
Astronaut, Male, Bright Light Orange Suit, Dark Blue VisorMinifigure, checked as a whole figure×1
Woman, Vibrant Yellow Safety Vest, Red Hard HatMinifigure, checked as a whole figure×1
Tick each piece as you find it, or mark it missing.
When a piece really is missing
Ask LEGO
LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for
the set number and each piece's element ID, the number printed beside the piece in the parts list at the back
of the instructions. This checker lists both.
Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from
older or second-hand sets.
Keep a record
Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick
pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.