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 Hogwarts Castle Boathouse — 2% complete

Buy 322 pieces across 138 lots.

🛒 Source the gap from the parts marketplace

38 of 138 part-lots available now (28%) · 100 still to import. Total-to-door R318 across 1 order(s) — parts + per-seller shipping.

BrickBits Spares · 52 lotsR318 (parts R248 + ship R70)

The missing parts

Buy	Part	Colour	Name
11×	3062b	Dark Brown	Brick Round 1 x 1 Open Stud
10×	3023	Reddish Brown	Plate 1 x 2
9×	87087	Tan	Brick Special 1 x 1 with Stud on 1 Side
8×	13965	Tan	Brick Arch 1 x 3 x 3 [Gothic]
8×	85984	Reddish Brown	Slope 30° 1 x 2 x 2/3
8×	98283	Tan	Brick Special 1 x 2 with Masonry Brick Profile
7×	3002	Dark Bluish Gray	Brick 2 x 3
7×	3005	Medium Nougat	Brick 1 x 1
6×	54200	Trans-Dark Blue	Slope 30° 1 x 1 x 2/3 (Cheese Slope)
5×	3040b	Tan	Slope 45° 2 x 1 with Bottom Pin
4×	11477	Sand Green	Slope Curved 2 x 1 No Studs [1/2 Bow]
4×	3024	Medium Nougat	Plate 1 x 1
4×	3040b	Dark Bluish Gray	Slope 45° 2 x 1 with Bottom Pin
4×	3795	Dark Tan	Plate 2 x 6
4×	3937	Tan	Hinge Brick 1 x 2 Base
4×	41740	Dark Orange	Plate Special 1 x 4 with 2 Studs with Groove [New Underside]
4×	4871	Reddish Brown	Slope Inverted 45° 4 x 2 Double with 2 x 2 Recessed
4×	54200	Tan	Slope 30° 1 x 1 x 2/3 (Cheese Slope)
4×	6134	Reddish Brown	Hinge Brick 2 x 2 Top Plate Thin
4×	64847	Tan	Animal Body Part, Horn (Cattle)
4×	73825	Reddish Brown	Bracket 1 x 1 - 1 x 2 Inverted
4×	79389	Reddish Brown	Bracket 1 x 1 - 1 x 2
4×	85984	Tan	Slope 30° 1 x 2 x 2/3
3×	3795	Tan	Plate 2 x 6
3×	13548	Light Bluish Gray	Wedge Sloped 45° 2 x 2 Corner
3×	2431	Dark Bluish Gray	Tile 1 x 4 with Groove
3×	25269	Dark Bluish Gray	Tile Round 1 x 1 Quarter
3×	28192	Dark Bluish Gray	Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud
3×	3021	Medium Nougat	Plate 2 x 3
3×	32607	Olive Green	Plant, Plate 1 x 1 Round with 3 Leaves
3×	32607	Dark Green	Plant, Plate 1 x 1 Round with 3 Leaves
3×	36752a	Dark Brown	Equipment Wand [Individual]
3×	3710	Dark Green	Plate 1 x 4
3×	3710	Dark Blue	Plate 1 x 4
3×	4286	Light Bluish Gray	Slope 33° 3 x 1
3×	6141	Trans-Yellow	Plate Round 1 x 1 with Solid Stud
3×	90195	Reddish Brown	Window 1 x 2 x 2 Castle
2×	11476	Tan	Plate Special 1 x 2 with Clip Horizontal on Side
2×	13349	Reddish Brown	Wedge Sloped Inverted 4 x 4 Triple [4 Connections between Front Studs]
2×	15672	Light Bluish Gray	Slope 45° 2 x 1 with 2/3 Cutout [New Version]