LEGO Set 1728 Crystal Crawler: Pieces, Year, Figures

Specifications

Set number	1728
Release year	1996
Piece count	97
Minifigures	1
Theme	Aquazone
Subtheme	Aquanauts
Building instructions	Download the instructions on lego.com

Where to buy set 1728

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LEGO set 1728 Crystal Crawler, released in 1996 as part of the Aquazone line, has 97 pieces. Its inventory breaks down into 41 different lots, across 9 colors.

Inventory of set 1728

The inventory of set 1728 lists 97 pieces, spare parts excluded: 41 different lots (one shape in one color) for 39 part shapes.

Colors of set 1728

Main color: yellow, making up 46% of the parts, followed by black (27%) and trans-neon orange (8.2%).

Color	Parts	Share
Yellow	45	46%
Black	26	27%
Trans-Neon Orange	8	8.2%
Light Gray	6	6.2%
Chrome Silver	4	4.1%
Blue	3	3.1%
White	3	3.1%
Trans-Dark Blue	1	1%
Green	1	1%

Part types

Type	Parts	Share
Hinges, Arms and Turntables	21	22%
Plates	12	12%
Technic Bricks	10	10%
Bricks Special	8	8.2%
Tiles Special	6	6.2%
Technic Pins	6	6.2%

Most common parts in set 1728

Part	Color	Quantity
Technic Brick 1 x 2 [1 Pin Hole] 3700	Yellow	10
Arm Piece Straight with 2 and 3 Fingers 3612	Yellow	6
Plate 2 x 2 Corner 2420	Yellow	4
Plate 2 x 2 3022	Yellow	4
Brick Sloped 33° 3 x 2 3298	Black	4
Technic Axle Pin without Friction Ridges Lengthwise 3749	Light Gray	4
Arm Piece 90° Turn [2 / 3 Fingers] 412	Trans-Neon Orange	4
Arm Grab Jaw 4221	Black	4
Propeller 3 Blade 3 Diameter with Axle Cross 6041	Trans-Neon Orange	4
Brick Special Octagonal 2 x 2 x 3 1/3 Corner 6043	Yellow	4

26 of the 39 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 1728

One part shape in set 1728 appears in no other set in the catalog, most often a printed element, a sticker or a mold specific to the model. If it gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set.

Part	Color
Baseplate Sea Floor Play Stage 4101599	Blue

Rebuilding set 1728 from another set

Share of the parts of set 1728 found in each of these similarly sized sets, counting shape, colour and quantity:

Set	Found	Parts	Release year
6145 Crystal Crawler	99%	96	1996
6175 Crystal Explorer Sub	42%	167	1995
1822 Sea Claw 7	34%	191	1995
8250 Search Sub [No CD]	27%	378	1997
8299 Search Sub [with CD]	27%	379	1997

Set 6145 Crystal Crawler supplies 99% of them: enough to build a good part of the model before filling in the rest piece by piece.

Size of set 1728 within its line

With 97 pieces, set 1728 ranks #21 out of 27 Aquazone sets in our database, which have an average of 237 parts. Among the 121 sets released in 1996, it ranks #70. That is less than half the average Aquazone set size.

Included minifigures

Aquanaut 2Quantity : 1

Frequently asked questions

How many pieces does LEGO set 1728 Crystal Crawler have?

LEGO set 1728 Crystal Crawler has 97 pieces. It was released in 1996 as part of the Aquazone theme.

What year was LEGO set 1728 released?

Set 1728 Crystal Crawler was released in 1996 and belongs to the Aquazone theme.

Which minifigures are included in set 1728?

Number of minifigures in LEGO set 1728 Crystal Crawler: 1. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 1728?

The instructions for LEGO set 1728 Crystal Crawler can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 1728.

What is the main color of LEGO set 1728?

Yellow, with 45 out of 97 pieces, or 46%. Next come black (27%) and trans-neon orange (8.2%).

How many different parts does set 1728 contain?

Set 1728 has 41 different lots (one shape in one color), covering 39 part shapes. Most common part: Technic Brick 1 x 2 [1 Pin Hole] in yellow, with 10 copies.

Does LEGO set 1728 contain any exclusive parts?

Yes: one part shape exists in no other set: Baseplate Sea Floor Play Stage.

Which similarly sized set contains the most parts from set 1728?

Set 6145 Crystal Crawler, released in 1996: it supplies 99%, counting shapes, colors and quantities.