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LEGO Missing Piece Checker

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.

Olivia's Remote Control Boat

Checking

30403 Olivia's Remote Control Boat

21 pieces in 19 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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.

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Piece checklist

White 7 pieces

  • Flag 2 x 2 Trapezoid with Flat Area between Clips White Part 44676 Element 6023099 or 4507191 ×1
  • Plate Round 1 x 1 with Open Stud White Part 85861 Element 6168642 or 4547649 1 spare in the box ×1
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs White Part 75937 Element 6009016 ×1
  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 1 spare in the box ×1
  • Tile Special 1 x 1 with Clip with Rounded Edges White Part 15712 Element 6348055 or 6054551 ×2
  • Turntable 2 x 2 Plate, Base White Part 3680 Element 368001 ×1

Magenta 3 pieces

  • Brick Curved Inverted 2 x 1 Magenta Part 24201 Element 6142402 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side Magenta Part 11476 Element 6313117 or 6135604 ×1

Dark Pink 2 pieces

  • Flag 4 x 1 Wavy [First Wave Right] Dark Pink Part 4495b Element 6268863 or 4243677 ×1
  • Plant, Flower, Minifig Accessory with 7 Thick Petals and Pin Dark Pink Part 32606 Element 6206151 1 spare in the box ×1

Light Bluish Gray 2 pieces

  • Bar 4L (Lightsaber Blade / Wand) Light Bluish Gray Part 30374 Element 6116608 or 4211628 ×1
  • Turntable 2 x 2 Plate - Top Light Bluish Gray Part 3679 Element 4540203 or 4495467 ×1

Medium Azure 2 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Medium Azure Part 4032a Element 6109752 ×1
  • Plate Round 6 x 6 with Hole Medium Azure Part 11213 Element 6029690 ×1

Black 1 piece

  • Equipment Radio [Extended Handle, Expanded Speaker Grille] Black Part 19220 Element 6170545 or 6100054 ×1

Bright Light Yellow 1 piece

  • Tile 1 x 2 with Groove Bright Light Yellow Part 3069b Element 6554794 or 6061201 ×1

Green 1 piece

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Green Part 4032a Element 403228 ×1

Reddish Brown 1 piece

  • Bar 6L with Stop Ring Reddish Brown Part 63965 Element 6170468 or 6155727 ×1

Trans-Dark Blue 1 piece

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Dark Blue Part 2654 Element 6581774 or 6171732 ×1

Minifigures 1 figure

  • Olivia - Magenta Top, Bright Light Yellow Skirt Minifigure, 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.

Request a replacement from LEGO

Buy the piece

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.

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