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.
479 pieces in 228 part and color combinations, plus 4 minifigures.
LEGO counts 494 pieces. This inventory comes from a separate parts catalog and lists 496, including the 17 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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.
Brick 1 x 1Red ×2Trans-Red ×2Trans-Red is see-through: hold the piece up to a light.
Brick Round 1 x 1 Open StudRed ×1Trans-Red ×1Trans-Red is see-through: hold the piece up to a light.
Sticker Sheet 2 for Set 6456-1[No Color/Any Color]Part 72801Element 4119088×1
Chrome Green
1 piece
Rock 1 x 1 Crystal 5 PointChrome GreenPart 30385Element 4119098×1
Tan
1 piece
Baseplate 32 x 32TanPart 3811Element 4558611 or 4219688×1
Minifigures
4 figures
Space Port Ground Grew, White Jacket, Black Legs, White Hard Hat, Beard and GlassesMinifigure, checked as a whole figure×1
Space Port Ground Crew, Red Jumpsuit, White Cap, Headset and GlassesMinifigure, checked as a whole figure×1
Astronaut, Woman, White, Light Gray Hips, Helmet with Breastplate and Large Chrome Gold Visor, HeadsetMinifigure, checked as a whole figure×1
Space Port Ground Crew, Red Jumpsuit, White Hard Hat, Headset and GlassesMinifigure, 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.