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Set 42072 WHACK!
Technic

LEGO® WHACK!

WHACK! is a compact Technic set from LEGO® released in 2018, with 135 pieces. Dark tones and blue accents define the model, which builds up quickly.

Set number
42072
Year
2018
Pieces
135
Minifigures
0
Theme
Technic
Different parts
42
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 42

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 (5)

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

Description

A quick Technic build

At 135 pieces, WHACK! is one of the smaller Technic models and can be finished in a single evening. You work with beams, pins and axles, which are exactly the elements that give the range its appeal. That makes the set a sensible choice if you want to get to know Technic without starting a huge project. The instructions stay clear as well, so you grasp the idea behind the model almost without noticing. Along the way you learn how simple connections combine into a working construction, which helps a lot with bigger Technic projects later on.

Dark tones with a blue contrast

Black, dark bluish grey and light bluish grey set the character, while blue provides the contrast. The combination looks technical and a little rough, which fits a model called WHACK!. For your collection the greys are especially useful, since they are needed in countless Technic projects. Blue parts, on the other hand, are a pleasant addition if you want to give vehicles or machines of your own an accent colour. Under a desk lamp every small structure shows up well, and the finished model also looks good on a shelf beside other Technic pieces.

41 different part types

The 135 pieces include 41 different part types. That means plenty of repeats among the basic elements, but enough variety to keep the build interesting. The complete parts list with colours and quantities is on this page. Use it to compare quickly what you already own and what you would still be missing if you wanted to rebuild the model or create a variation of your own. For a small set this is a good value, since you meet many different kinds of connection without the build becoming confusing or taking too long.

Building on from your collection

Technic elements are easy to reuse in new constructions. The “What can I build?” tool on Bricoria shows which other models you could assemble from your collection once WHACK! has been taken apart again. The set therefore does not stop at a single model but supplies material for later experiments, including combinations with other small Technic sets that you may already have lying around. That helps especially if you plan constructions of your own and want to know beforehand which beam lengths, pins and axles you already have.

FAQ

How many pieces does WHACK! (42072) have?
The set has 135 pieces in 41 different part types. It contains no minifigures.
Is it a good set for beginners?
Yes, it is compact and quickly finished, which makes it a good way to try Technic for the first time.
Which colours does it use?
Mainly black, dark bluish grey, light bluish grey and blue. Exact quantities are listed in the parts list.

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