# LEGO 42703-1 — Mermaid Roller Coaster Ride (2026)

Source: https://www.brickmissing.com/sets/42703-1-mermaid-roller-coaster-ride
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

The LEGO Friends Mermaid Roller Coaster Ride (42703-1) presents a vibrant aquatic amusement park experience for 2026. This 864-piece set features a fully functional roller coaster, meticulously designed to race its cars around a central, rotating pool where the elegant mermaids Serina and Azuria perform. Each mermaid mini-doll includes distinct translucent hair elements, enhancing their ethereal appearance during their synchronized water show. Among the five included mini-dolls is Autumn, whose unique facial element can be interchanged to display either a relaxed or an excited expression, perfectly capturing the thrill of the ride. The detailed theme park environment incorporates a charming ticket entrance, a comprehensive park map, and various photo opportunities, all constructed with specific curved track pieces and decorative details that define the ride’s winding path through the underwater world.

## Set facts

- Set number: 42703-1
- Name: Mermaid Roller Coaster Ride
- Theme: Friends
- Released: 2026
- Pieces: 874
- Distinct part + colour lots: 223
- LEGO retail price: € 99,99
- Build difficulty: advanced
- Repairability: 16.1% of this set's lots are hard to replace (36 of 223 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (223 lots, 874 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 2 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 2 | MICROPHONE W/ Ø3.2 SHAFT | Black | 18740 | — | — |
| 1 | MAILBOX, CASING 2X2X2 | Black | 4345 | — | — |
| 1 | Box 2 x 2 x 2 Door with Slot | Black | 4346 | 6191994 | €0,16 |
| 1 | FOUR-SIDED SIGN WITH SNAP | Black | 65673 | — | — |
| 3 | Grille Bar 1 x 4 x 1 2/3 Bull Bar, Squared | Black | 77083 | 6359942 | €0,17 |
| 1 | Hair Long with Bun | Black | 2633 | 6409763 | €0,90 |
| 1 | CAMERA | Black | 4724 | — | — |
| 1 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 9 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 5 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 5 | Plate 2 x 8 | Tan | 3034 | 4113988 | €0,29 |
| 1 | Plate 2 x 6 | Tan | 3795 | 4113993 | €0,19 |
| 4 | Plate 2 x 4 | Tan | 3020 | 4114309 | €0,15 |
| 2 | Brick 2 x 4 | Tan | 3001 | 4114319 | €0,22 |
| 1 | Plate 1 x 8 | Tan | 3460 | 4114324 | €0,18 |
| 34 | BRICK Ø16 W. CROSS | Tan | 6143 | — | — |
| 4 | Brick 1 x 3 | Tan | 3622 | 4162465 | €0,15 |
| 2 | Technic Brick 1 x 2 [1 Pin Hole] | Tan | 3700 | 4205107 | €0,12 |
| 1 | Plate 2 x 10 | Tan | 3832 | 4249019 | €0,29 |
| 4 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Tan | 87580 | 4565387 | €0,10 |
| 6 | Brick Special 1 x 1 with Stud on 1 Side | Tan | 87087 | 4579260 | €0,11 |
| 1 | Plate 8 x 16 | Tan | 92438 | 4609726 | €2,17 |
| 4 | Plate 2 x 14 | Tan | 91988 | 6036487 | €0,41 |
| 2 | Plate 4 x 10 | Tan | 3030 | 6037834 | €0,56 |
| 4 | Plate 6 x 8 | Tan | 3036 | 6070501 | €0,71 |
| 2 | Plate Round 6 x 6 with Hole | Tan | 11213 | 6093862 | €0,41 |
| 4 | Plate 3 x 3 | Tan | 11212 | 6115031 | €0,12 |
| 7 | Brick Special 1 x 2 with Masonry Brick Profile | Tan | 98283 | 6148262 | €0,13 |
| 7 | Tile 2 x 3 | Tan | 26603 | 6175367 | €0,11 |
| 3 | BRICK 1X2 WITH CROSS HOLE | Tan | 31493 | — | — |
| 1 | Plate 8 x 8 with Rounded End | Tan | 41948 | 6249092 | €0,93 |
| 6 | BRICK W. BOW 1X8X2 | Tan | 40296 | — | — |
| 3 | Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale) | Tan | 71752 | 6330903 | €0,40 |
| 5 | Brick Round 2 x 2 Dome Top, Vented Stud | Tan | 3262 | 6429062 | €0,13 |
| 6 | BRICK 2X2 W/GROOVE A.CR.HOLE | Tan | 39683 | — | — |
| 8 | TILE 4X4, W/ BOW, NO. 5 | Tan | 3477 | — | — |
| 4 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Orange | 18674 | 6109909 | €0,07 |
| 1 | ELEMENT SEPARATOR | Orange | 31510 | — | — |
| 2 | Plant, Flower, Peony Rose with 2 Layers | Orange | 5904 | 6550815 | €0,10 |
| 1 | Brick 1 x 4 | Black | 3010 | 301026 | €0,16 |
| 2 | Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side | Black | 22885 | 6275806 | €0,17 |
| 2 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 6 | Brick Special 1 x 1 with Stud on 1 Side | Black | 87087 | 4558954 | €0,11 |
| 3 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Black | 18674 | 6195325 | €0,07 |
| 2 | Plate Angled 3 x 3 with Heart Shape | Black | 39613 | 6448733 | €0,25 |
| 2 | Plate 2 x 6 | Black | 3795 | 379526 | €0,19 |
| 8 | PLATE 1X1 W/3.2 SHAFT/1.5 HOLE | Black | 31561 | — | — |
| 2 | PLATE 2X2 ROUND | Black | 4032 | — | — |
| 2 | PLATE 1X2 W. VERTICAL SCHAFT | Black | 43876 | — | — |
| 1 | Brick 1 x 4 | Red | 3010 | 301021 | €0,16 |
| 4 | Bar 2L with Stop in Center | Red | 78258 | 6399645 | €0,10 |
| 3 | Brick Special 2 x 4 with 3 Axle Holes | Black | 39789 | 6244917 | €0,29 |
| 8 | Plant, Plate 1 x 1 Round with 3 Leaves | Black | 32607 | 6578319 | €0,06 |
| 1 | ROUND BRICK 1X1 | Yellow | 3062 | — | — |
| 1 | BRICK 1X2X2 | Yellow | 3245 | — | — |
| 1 | FLAT TILE 1X1, ROUND | Yellow | 35381 | — | — |
| 1 | SHORTS, W/ HIP, NO. 14 | Yellow | 2268 | — | — |
| 1 | Tile Round 2 x 4 | Yellow | 66857 | 6518940 | €0,17 |
| 1 | Technic Axle 9 | Yellow | 60485 | 6130010 | €0,21 |
| 1 | ROUND BRICK 1X1 | Lime | 3062 | — | — |
| 15 | PL.ROUND 1X1 W. THROUGHG. HOLE | Lime | 28626 | — | — |
| 1 | FLAT TILE 1X1, ROUND | Lime | 35381 | — | — |
| 2 | Brick 2 x 2 Corner | Lime | 2357 | 6518173 | €0,16 |
| 3 | FLAT TILE 1X2 | Black | 3069 | — | — |
| 3 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 2 | Tile 2 x 4 with Groove | Black | 87079 | 4560182 | €0,16 |
| 2 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 6 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 6 | Plate 1x1 with Up Right Holder | Black | 44842 | — | — |
| 2 | Ghost Effect with Bar | Trans-Red | 5500 | 6512330 | €1,13 |
| 4 | CARROT | Black | 20086 | — | — |
| 1 | LIGHT SWORD - BLADE | Black | 21462 | — | — |
| 1 | FLAT TILE 1X2, DEC. 100 | Metallic Silver | 82317 | — | — |
| 1 | Hair Curly with Thin Braid | Bright Light Yellow | 2640 | 6529039 | €0,90 |
| 1 | Turntable 2 x 2 Female | White | 27448 | 6536567 | €0,12 |
| 3 | Plate Special 1 x 2 with 5.9mm Centre Side Towball | Dark Bluish Gray | 14417 | 6039479 | €0,16 |
| 6 | Wheel Roller Coaster | Dark Bluish Gray | 24869 | 6135290 | €0,36 |
| 2 | Technic Axle Connector Hub with 4 Bars at 90°, Reinforced Axle Hole | Dark Bluish Gray | 68888 | 6316692 | €0,23 |
| 2 | Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L | Dark Bluish Gray | 32828 | 6388118 | €0,05 |
| 1 | Slope 18° 2 x 1 x 2/3 | Medium Nougat | 5404 | 6536423 | €0,17 |
| 38 | Plant, Flower, Plate Round 1 x 1 with 5 Petals | Black | 24866 | 6382540 | €0,06 |
| 1 | SHORTS, W/ HIP, NO. 15 | Black | 36198 | — | — |
| 1 | Plant, Leaves, Round 2 x 2 x 2/3 with + Axle Hole and 4 Leaf Extensions | Dark Green | 15469 | 6426730 | €0,16 |
| 2 | TECHNIC 15M BEAM | Black | 64871 | — | — |
| 9 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Black | 18674 | 6195325 | €0,07 |
| 2 | Tile Round 2 x 2 with Bottom Stud Holder | Black | 14769 | 6070695 | €0,07 |
| 1 | Door Frame 1 x 6 x 6 | Black | 42205 | 6391342 | €0,57 |
| 1 | Bracket 2 x 2 with 1 x 2 Vertical Studs | Black | 41682 | 6446707 | €0,17 |
| 1 | MINI DOLL, HEAD, NO. 336 | Light Nougat | 101267 | — | — |
| 1 | Brick Special 1 x 2 with 2 Studs on 1 Side | Black | 11211 | 6138173 | €0,13 |
| 1 | Plant, Beehive / Nest | Bright Pink | 35574 | 6519486 | €0,39 |
| 1 | Brick 1 x 6 | Black | 3009 | 300923 | €0,25 |
| 6 | FLAT TILE 1X2 | Medium Azur | 3069 | — | — |
| 3 | FLAT TILE 2X2 | Medium Azur | 3068 | — | — |
| 9 | Plate 1 x 4 | Black | 3710 | 371023 | €0,12 |
| 6 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Black | 11477 | 6047276 | €0,06 |
| 3 | Brick 1 x 2 | Black | 3004 | 300426 | €0,11 |
| 3 | Plate Round 4 x 4 with Pin Hole | Black | 60474 | 4515350 | €0,17 |
| 2 | PLATE 2X2 ROUND | Medium Azur | 4032 | — | — |
| 1 | PLATE 2X2 W 1 KNOB | Medium Azur | 23893 | — | — |
| 2 | Plate 6 x 10 | Black | 3033 | 6339304 | €0,71 |
| 4 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Black | 18674 | 6195325 | €0,07 |
| 4 | Technic Brick 1 x 1 with Pin Hole | Black | 6541 | 654126 | €0,07 |
| 1 | Plate Special 4 x 4 Splat Gear with 10 Teeth | Dark Bluish Gray | 35443 | 6252371 | €0,45 |
| 1 | Plate 2 x 8 | Black | 3034 | 303423 | €0,29 |
| 5 | Plate Special 2 x 2 Splat Gear with 6 Teeth | Black | 35442 | 6306064 | €0,21 |
| 4 | Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs | Black | 49307 | 6273589 | €0,05 |
| 1 | Plate 2 x 12 | Black | 2445 | 244526 | €0,36 |
| 3 | Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom | Black | 11215 | 6033353 | €0,35 |
| 1 | BRICK 1X2X5 | Medium Azur | 2454 | — | — |
| 1 | MINI HEAD | Medium Azur | 3274 | — | — |
| 4 | Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) | Black | 34103 | 6231513 | €0,07 |
| 2 | BRICK 2X2 ROUND W/ HOLE Ø4,85 | Medium Azur | 79566 | — | — |
| 1 | Tile Round 3 x 3 | Black | 67095 | 6376695 | €0,19 |
| 6 | Plate 1 x 2 | Dark Purple | 3023 | 4655695 | €0,08 |
| 13 | Plate 2 x 4 | Dark Purple | 3020 | 6030277 | €0,15 |
| 1 | Plate 1 x 4 | Dark Purple | 3710 | 6167464 | €0,12 |
| 3 | Brick 1 x 2 | Dark Purple | 3004 | 6104154 | €0,11 |
| 3 | Plate 2 x 6 | Dark Purple | 3795 | 4223712 | — |
| 6 | Brick 1 x 1 | Dark Purple | 3005 | 6084028 | €0,07 |
| 3 | Brick 2 x 4 | Dark Purple | 3001 | 4626935 | €0,22 |
| 21 | ROOF TILE 1X2/45° | Dark Purple | 3040 | — | — |
| 14 | Slope 45? 2 x 2 | Dark Purple | 3039 | 6107200 | €0,11 |
| 18 | Brick 1 x 4 | Dark Purple | 3010 | 6185995 | €0,16 |
| 2 | Slope 45° 2 x 4 | Dark Purple | 3037 | 6250171 | — |
| 4 | FLAT TILE 1X2 | Dark Purple | 3069 | — | — |
| 12 | FLAT TILE 2X2 | Dark Purple | 3068 | — | — |
| 2 | Brick Curved 1 x 2 x 1 No Studs | Dark Purple | 37352 | 6264050 | €0,11 |
| 1 | BRICK W. BOW 1X8X2 | Dark Purple | 40296 | — | — |
| 8 | BRICK 2X8 | Dark Purple | 93888 | — | — |
| 2 | Brick Special 1 x 2 with 1 Center Stud on 1 Side, Bottom Stud Holder | Dark Purple | 86876 | 6402033 | — |
| 12 | Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud | Dark Purple | 28192 | 6166863 | €0,07 |
| 2 | Plate 1 x 3 | Dark Purple | 3623 | 6035470 | €0,07 |
| 3 | Brick 2 x 2 | Dark Purple | 3003 | 4653960 | €0,13 |
| 2 | Slope 45? 2 x 1 with 2/3 Cutout [New Version] | Dark Purple | 15672 | 6472512 | €0,05 |
| 1 | MINI DOLL, HEAD, NO. 335 | Pearl Very Light Gray | 101191 | — | — |
| 1 | TORSO,BOY, W/ ARM, NO. 198 | Pearl Very Light Gray | 73161 | — | — |
| 3 | Plate 2 x 12 | Light Bluish Gray | 2445 | 4211360 | €0,36 |
| 5 | Brick 2 x 3 | Light Bluish Gray | 3002 | 4211386 | €0,17 |
| 2 | Dish 2 x 2 Inverted [Radar] | Light Bluish Gray | 4740 | 4211512 | €0,05 |
| 1 | Technic Plate 2 x 6 [5 Holes] | Light Bluish Gray | 32001 | 4211542 | €0,24 |
| 1 | Window 1 x 2 x 2 Castle | Light Bluish Gray | 90195 | 4642934 | €0,15 |
| 5 | Brick Special 1 x 2 with 2 Studs on 1 Side | Light Bluish Gray | 11211 | 6015344 | €0,13 |
| 1 | Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] | Light Bluish Gray | 99563 | 6134378 | €0,05 |
| 2 | PL.ROUND 1X1 W. THROUGHG. HOLE | Light Bluish Gray | 28626 | — | — |
| 1 | PLATE 2X2 ANGLE | Light Bluish Gray | 35262 | — | — |
| 1 | ROOF TILE 1X1X2/3, NO. 7 | Light Bluish Gray | 78238 | — | — |
| 1 | Slope Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] | Light Bluish Gray | 76959 | 6435857 | €0,15 |
| 2 | Plate Special 1 x 4 Rounded with 2 Open Studs | Light Bluish Gray | 77845 | 6456718 | €0,15 |
| 1 | Technic Axle 7 | Light Bluish Gray | 44294 | 4211805 | €0,16 |
| 4 | Technic Axle 11 | Light Bluish Gray | 23948 | 6178172 | €0,29 |
| 1 | Hair, Ponytail Long Wavy | Black | 1987 | 6570131 | €1,78 |
| 14 | FLAT TILE 1X1, ROUND | Dark Tan | 35381 | — | — |
| 8 | Tile Round 1 x 2 | Medium Nougat | 1126 | 6507790 | €0,13 |
| 1 | CHEST 2X4 | Reddish Brown | 4738 | — | — |
| 1 | CHEST LID 2X4 | Reddish Brown | 29336 | — | — |
| 1 | Hair Scruffy and Swept Right | Reddish Brown | 40938 | 6424457 | €0,29 |
| 2 | Door 3 x 6 | Dark Brown | 80683 | 6510230 | €0,40 |
| 4 | Animal / Plant, Coral / Sea Weed | Magenta | 49577 | 6390725 | €0,39 |
| 2 | Technic Axle and Pin Connector Angled #7 - 168.75° | Black | 4450 | 6523971 | €0,16 |
| 2 | Technic Brick 1 x 2 [2 Pin Holes] | Black | 32000 | 3200026 | €0,10 |
| 2 | Plate Special 10 x 10 Octagonal with Hole | Dark Tan | 89523 | 6288246 | €1,43 |
| 3 | Plate 2 x 10 | Dark Tan | 3832 | 6522352 | €0,29 |
| 2 | CROSSAXLE 3M WITH KNOB | Dark Tan | 13670 | — | — |
| 1 | Bar Curved with Axle End and 1 x 1 Round Plate | Trans-Clear | 4042 | 6510119 | €0,81 |
| 2 | Bar, Angled with 1 x 1 Round Plate / Stud on End | Trans-Clear | 65578 | 6510188 | €0,10 |
| 1 | FLAT TILE 1X1, ROUND | Trans-Clear | 35380 | — | — |
| 1 | Parabolic Element D16 | Trans-Clear | 35395 | — | — |
| 1 | Brick Special 1 x 2 x 1 2/3 with 8 Studs on 2 Sides | Trans-Clear | 80796 | 6514455 | €0,59 |
| 2 | Brick Special 1 x 2 with 1 Center Stud on 1 Side, No Bottom Stud Holder | Trans-Clear | 7133 | 6523921 | — |
| 4 | Plate Round 1 x 1 with Hollow Stud and Underside Clip | Trans-Clear | 5264 | 6542392 | €0,15 |
| 1 | Helmet Round Sphere with Small Hole | Trans-Red | 51283 | 6574676 | €0,51 |
| 1 | Hair, Long Curly, Internal Supports | Dark Brown | 5828 | 6494119 | €1,78 |
| 4 | Curled Decorative Ornament with Bar | Trans-Neon Green | 28870 | 6210461 | — |
| 2 | PL.ROUND 1X1 W. THROUGHG. HOLE | Trans-Neon Green | 29387 | — | — |
| 1 | FLAT TILE 1X1, ROUND | Trans-Neon Green | 35380 | — | — |
| 7 | FLAT TILE 1X2 | Trans-Neon Green | 35386 | — | — |
| 12 | BRICK 2X2 CIRCLE W/ CROSS | Trans-Neon Green | 39223 | — | — |
| 1 | Plate Special 2 x 2 with Bar Frame Round | Trans-Neon Green | 7068 | 6585259 | — |
| 2 | FINAL BRICK 2X2 | Black | 40528 | — | — |
| 10 | ROUND BRICK 1X1 | Black | 35390 | — | — |
| 6 | Plate Special 8-Sided Crystal/Gem 1 x 1 x 2/3 | Opal Trans-Clear | 65092 | 6287309 | €0,11 |
| 1 | Animal, Sea Life Set [Complete Set] | Coral | 49595 | 6262127 | — |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | Yellow | 48336 | 4501232 | €0,07 |
| 6 | Brick Round 2 x 2 [Grill] | Pearl Gold | 92947 | 6107194 | €0,12 |
| 4 | Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] | Yellow | 99563 | 6437958 | €0,05 |
| 1 | Plate 1 x 2 | Yellow | 3023 | 302324 | €0,08 |
| 1 | MIXER TAP | Medium Lime | 35194 | — | — |
| 1 | Plate 1x1 with Up Right Holder | Medium Lime | 44842 | — | — |
| 1 | Weapon Trident | Pearl Gold | 92290 | 6270116 | €0,21 |
| 12 | Plate Special 1 x 2 Side Handle [Free Ends] | Yellow | 2540 | 4140587 | €0,07 |
| 1 | PLATE 1X1 W/HOLDER VERTICAL | Medium Lime | 52738 | — | — |
| 20 | Plate 2 x 2 | Yellow | 3022 | 302224 | €0,10 |
| 1 | Creature Body Part, Horn (Unicorn) with Small Pin | Pearl Gold | 7199 | 6551137 | €0,57 |
| 1 | MINI DOLL HEAD, NO. 14 | Black | 101186 | — | — |
| 1 | Tile Special 1 x 2 with Handle | White | 2432 | 243201 | €0,11 |
| 2 | Brick 1 x 2 | White | 3004 | 300401 | €0,11 |
| 2 | Brick 1 x 4 | White | 3010 | 301001 | €0,16 |
| 2 | Plate 2 x 3 | White | 3021 | 302101 | €0,13 |
| 8 | Plate 1 x 1 | White | 3024 | 302401 | €0,06 |
| 1 | FLAT TILE 2X2 | White | 3068 | — | — |
| 2 | Plate 1 x 4 | White | 3710 | 371001 | €0,12 |
| 1 | Plate 4 x 4 | White | 3031 | 4243812 | €0,21 |
| 4 | Slope Inverted 75° 2 x 1 x 3 | White | 2449 | 4532972 | €0,23 |
| 3 | Turntable 4 x 4 Square Base, Locking | White | 61485 | 4611927 | €0,25 |
| 1 | BRICK 2X10 | White | 92538 | — | — |
| 2 | Slope Curved 3 x 4 x 2/3 Triple Curved with 2 Sunk Studs | White | 93604 | 6018101 | €0,25 |
| 2 | Slope Curved 4 x 1 Double with No Studs | White | 93273 | 6023806 | €0,15 |
| 1 | Animal, Clam [Type 2 - Locking Edge on Inner Lip] | White | 18866 | 6092203 | €1,03 |
| 4 | Tile 2 x 2 Curved, Macaroni | White | 27925 | 6172674 | €0,08 |
| 4 | Tile Special 1 x 3 Inverted with Center Hole | White | 35459 | 6223491 | €0,12 |
| 2 | WALL DOUBLE CORNER 1X2X1 | White | 35391 | — | — |
| 2 | Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs | White | 49307 | 6258135 | €0,05 |
| 2 | Plate Round 1 x 1 with Vertical Bar | White | 3661 | 6508268 | €0,22 |
| 2 | Tile Round 1 x 2 Half Circle | White | 1748 | 6400114 | €0,13 |
| 8 | Brick Curved 1 x 2 x 1 with Curved Top | White | 5841 | 6519988 | €0,11 |
| 1 | TORSO, GIRL, W/ ARM, NO. 588 | Chrome Pink | 73141 | 6641811 | — |
| 2 | Tile Round Corners 4 x 4 x 2/3 | White | 68869 | 6531022 | €0,56 |
| 4 | Turntable 2 x 2 Female | White | 27448 | 6536567 | €0,12 |
| 2 | Technic Pin Connector Round 1L [Beam] | White | 18654 | 6177114 | €0,05 |
| 1 | Technic Axle Connector Smooth [with x Hole + Orientation] | White | 59443 | 6212049 | €0,06 |
| 1 | Technic Panel Fairing 2 x 1 x 1 | White | 89679 | 6434569 | €0,16 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/42703-1-mermaid-roller-coaster-ride
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/42703-1-mermaid-roller-coaster-ride