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 Space Roller Coaster — 7% complete

Buy 796 pieces across 224 lots.

🛒 Source the gap from the parts marketplace

41 of 224 part-lots available now (18%) · 183 still to import. Total-to-door R550 across 1 order(s) — parts + per-seller shipping.

BrickBits Spares · 80 lotsR550 (parts R480 + ship R70)

The missing parts

Buy	Part	Colour	Name
37×	35480	Dark Bluish Gray	Plate Special 1 x 2 Rounded with 2 Open Studs
29×	3941	Black	Brick Round 2 x 2 with Axle Hole
22×	60474	Black	Plate Round 4 x 4 with Pin Hole
18×	30136	Light Bluish Gray	Brick Special 1 x 2 Palisade [aka Log]
16×	30136	Black	Brick Special 1 x 2 Palisade [aka Log]
16×	4032a	Dark Bluish Gray	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
15×	3022	Dark Bluish Gray	Plate 2 x 2
15×	3034	Dark Bluish Gray	Plate 2 x 8
13×	25269	White	Tile Round 1 x 1 Quarter
12×	3068b	Dark Blue	Tile 2 x 2 with Groove
12×	85861	Black	Plate Round 1 x 1 with Open Stud
11×	98560	Light Bluish Gray	Slope 75° 2 x 2 x 3 [Solid Studs]
10×	24246	White	Tile Round 1 x 1 Half Circle
10×	54200	Dark Bluish Gray	Slope 30° 1 x 1 x 2/3 (Cheese Slope)
10×	60474	Light Bluish Gray	Plate Round 4 x 4 with Pin Hole
9×	11477	White	Slope Curved 2 x 1 No Studs [1/2 Bow]
9×	2456	Black	Brick 2 x 6
9×	3003	Light Bluish Gray	Brick 2 x 2
9×	33909	White	Plate Special 2 x 2 with Only 2 studs
9×	3941	Light Bluish Gray	Brick Round 2 x 2 with Axle Hole
9×	4519	Yellow	Technic Axle 3
8×	2445	Light Bluish Gray	Plate 2 x 12
8×	25269	Bright Green	Tile Round 1 x 1 Quarter
8×	3023	Light Bluish Gray	Plate 1 x 2
8×	3046a	Dark Bluish Gray	Slope 45° 2 x 2 Double Concave
8×	89678	Dark Bluish Gray	Technic Pin 1/2 with Friction
8×	98138	Glow in Dark White	Tile Round 1 x 1
7×	18674	Light Bluish Gray	Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
7×	2445	Black	Plate 2 x 12
7×	3001	Light Bluish Gray	Brick 2 x 4
7×	3020	Black	Plate 2 x 4
7×	32828	Light Bluish Gray	Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L
6×	24869	Dark Bluish Gray	Wheel Roller Coaster
6×	26601	White	Wedge Plate 2 x 2 Cut Corner
6×	35464	Light Bluish Gray	Slope Double 45° 1 x 1
6×	54200	Trans-Brown	Slope 30° 1 x 1 x 2/3 (Cheese Slope)
6×	54200	Dark Orange	Slope 30° 1 x 1 x 2/3 (Cheese Slope)
6×	6091	White	Brick Curved 1 x 2 x 1 1/3 with Curved Top
6×	98100	Black	Brick Round 2 x 2 Truncated Cone
5×	32062	Red	Technic Axle 2 Notched