Build engine

Tell it the sets you own; it shows what you can (nearly) build and the exact parts to buy for a target.

🧱 What you can (nearly) build

%	Set	Name	Buy pcs	Lots
100%	10256-1	Taj Mahal	0	0
93%	10189-1	Taj Mahal	420	21
81%	10230-1	Mini Modulars	254	95

🎯 Build Hydro Search Sub — 1% complete

Buy 276 pieces across 94 lots.

🛒 Source the gap from the parts marketplace

12 of 94 part-lots available now (13%) · 82 still to import. Total-to-door R185 across 1 order(s) — parts + per-seller shipping.

BrickBits Spares · 19 lotsR185 (parts R115 + ship R70)

The missing parts

Buy	Part	Colour	Name
11×	6042	Yellow	Brick Special Octagonal 2 x 2 x 3 1/3 with Side Studs
10×	32062	Black	Technic Axle 2 Notched
10×	4032a	Black	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
8×	4865a	Black	Panel 1 x 2 x 1 [Square Corners]
8×	6039	Black	Cone 2 x 2 x 1 2/3 Octagonal, Open Stud
8×	6141	Trans-Neon Orange	Plate Round 1 x 1 with Solid Stud
7×	3010	Yellow	Brick 1 x 4
7×	3069b	Black	Tile 1 x 2 with Groove
6×	2420	Light Gray	Plate 2 x 2 Corner
6×	3001	Yellow	Brick 2 x 4
6×	3023	Blue	Plate 1 x 2
6×	3062b	Trans-Green	Brick Round 1 x 1 Open Stud
6×	4286	Black	Slope 33° 3 x 1
6×	59275	Black	Minifig Footwear Flipper [Thin]
5×	3004	Blue	Brick 1 x 2
5×	3009	Black	Brick 1 x 6
5×	4590	Black	Plate Special 1 x 4 Offset with Bar Holes
5×	4623	Black	Plate Special 1 x 2 with Bar Up [Horizontal Arm 6mm]
5×	6041	Trans-Green	Propeller 3 Blade 3 Diameter with Axle Cross
4×	2431	Light Gray	Tile 1 x 4 with Groove
4×	3008b	Yellow	Brick 1 x 8 with Bottom Tubes and 3 Lowered Cross Supports
4×	3069bpr0057	Yellow	Tile 1 x 2 with Blue Windows and Bubbles Print
4×	3622	Red	Brick 1 x 3
4×	3749	Light Gray	Technic Axle Pin without Friction Ridges Lengthwise
4×	3794a	Yellow	Plate Special 1 x 2 with 1 Stud without Groove (Jumper)
4×	4625	Light Gray	Hinge Tile 1 x 4
4×	73092	Black	Magnet Cylindrical
3×	3039	Light Gray	Slope 45° 2 x 2
3×	3039pr9985	Yellow	Slope 45° 2 x 2 with Dark Screen and Blue Controls Print (Aquazone Hydronauts)
3×	3068bpr9881	Black	Tile 2 x 2 with Aquazone Silver and Copper Circular Print
3×	3710	Yellow	Plate 1 x 4
3×	3941	Light Gray	Brick Round 2 x 2 with Axle Hole
3×	4345b	Trans-Green	Box 2 x 2 x 2 [Hollow Studs]
3×	4346	Trans-Green	Box 2 x 2 x 2 Door with Slot
2×	2357	Light Gray	Brick 2 x 2 Corner
2×	2412b	Black	Tile Special 1 x 2 Grille with Bottom Groove
2×	2462	Black	Wedge 3 x 3 Facet
2×	2463	Yellow	Wedge Sloped 3 x 3 x 2 Facet Top
2×	2516	Black	Tool Chainsaw / Drill Body
2×	2582pr0004	Trans-Green	Hinge Panel 2 x 4 x 3 1/3 with Silver and Black Grid Print