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Set 6159 Crystal Detector
Aquazone Hydronauts

LEGO® Crystal Detector

The Crystal Detector belongs to the underwater Aquazone Hydronauts range and came out in 1998. It has 105 pieces and 1 minifigure, and its job is to track down glowing crystals.

Set number
6159
Year
1998
Pieces
105
Minifigures
1
Theme
Hydronauts
Different parts
56
What can I build with it?

Parts list 56

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (1)

These extra parts come with the set in case one gets lost.

Minifigures 1

Description

A gadget for the deep

Aquazone was an underwater world from LEGO® full of explorers, vehicles and glowing crystals, and the Hydronauts were its divers. The Crystal Detector is a small machine with a clear task: finding those crystals. With 105 pieces and one minifigure it stays compact. A set that comes with a purpose makes play easy, since the story almost writes itself once the model is finished and sitting on the table. That is a big part of why the theme still has fans.

Colour as part of the story

Black and yellow are the main colours, joined by light grey and trans-green. The transparent green is more than decoration here, standing in for the crystals and the glow of the deep. It is striking that 55 different part types are packed into just 105 pieces. The set is unusually varied and contains many single items you will not find in every standard box. Collectors of uncommon parts have good reason to read the list closely.

Building and playing

The model goes together quickly and suits a calm afternoon. Afterwards it can be dropped into an underwater scene, whether that is a blue cloth on the floor or alongside other Aquazone sets. The single minifigure plays the diver or researcher. If you would rather just display it, you get a small find from a range that many collectors now actively look for, and which still looks distinctive on a shelf. A few blue bricks around it are enough to set the scene.

Keeping track of the parts

The parts list on this page shows each colour and quantity. That pays off when you check a second-hand set or want to reorder particular pieces such as the transparent elements. The What Can I Build tool also lists models you could make from this set combined with your own bricks, so the unusual parts can become new vehicles or gadgets rather than sitting unused in a drawer.

FAQ

Which range is the Crystal Detector part of?
It belongs to Aquazone Hydronauts, the underwater line from LEGO®, and was released in 1998.
How many pieces and figures are included?
There are 105 pieces in 55 different types, plus 1 minifigure.
Which colours appear most?
Black, yellow, light grey and trans-green. The exact quantities are in the parts list.

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