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 UFO Attack — 9% complete

Buy 80 pieces across 34 lots.

🛒 Source the gap from the parts marketplace

11 of 34 part-lots available now (32%) · 23 still to import. Total-to-door R130 across 1 order(s) — parts + per-seller shipping.

BrickBits Spares · 16 lotsR130 (parts R60 + ship R70)

The missing parts

Buy	Part	Colour	Name
6×	3062b	Medium Blue	Brick Round 1 x 1 Open Stud
6×	3062b	Blue	Brick Round 1 x 1 Open Stud
6×	3062b	Black	Brick Round 1 x 1 Open Stud
6×	3062b	Tan	Brick Round 1 x 1 Open Stud
5×	4740	Red	Dish 2 x 2 Inverted [Radar]
5×	6141	Dark Bluish Gray	Plate Round 1 x 1 with Solid Stud
4×	3048c	Dark Bluish Gray	Slope 45° 2 x 1 Triple with Ovoid Bottom Pin
4×	30504	Light Bluish Gray	Wedge Plate 8 x 8 Cut Corner
4×	4588	White	Brick Round 1 x 1 with Fins, Open Stud
4×	87580	Dark Bluish Gray	Plate Special 2 x 2 with Groove and Center Stud (Jumper)
2×	3069b	Black	Tile 1 x 2 with Groove
2×	3069b	Blue	Tile 1 x 2 with Groove
2×	4150	Red	Tile Round 2 x 2 with Bottom Cross
2×	4460b	Light Bluish Gray	Slope 75° 2 x 1 x 3 with Hollow Stud
2×	4460b	Dark Bluish Gray	Slope 75° 2 x 1 x 3 with Hollow Stud
2×	4740	Black	Dish 2 x 2 Inverted [Radar]
1×	3022	Yellow	Plate 2 x 2
1×	3022	Orange	Plate 2 x 2
1×	3022	Reddish Brown	Plate 2 x 2
1×	3022	Green	Plate 2 x 2
1×	3031	Dark Bluish Gray	Plate 4 x 4
1×	30373	Dark Bluish Gray	Slope Inverted 65° 6 x 6 x 2 Quad with Cutouts
1×	30374	Trans-Neon Green	Bar 4L (Lightsaber Blade / Wand)
1×	3942c	Dark Bluish Gray	Cone 2 x 2 x 2, Open Stud
1×	4006	Black	Tool Screwdriver and Spanner / Wrench
1×	4274	Light Bluish Gray	Technic Pin 1/2
1×	43898	Black	Dish 3 x 3 Inverted [Radar]
1×	43898	Red	Dish 3 x 3 Inverted [Radar]
1×	44375a	Black	Dish 6 x 6 Inverted (Radar) with Hollow Studs
1×	48729b	Black	Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]
1×	53989	Black	Arm Mechanical with Clip [Thin Support]
1×	63965	Light Bluish Gray	Bar 6L with Stop Ring
1×	64776pat0001	Black	Die - 6 Sided Rubber Frame with Red Centre Studs (Board Games)
1×	85863pr0029	Red	Microfig UFO Attack Alien