The age for which the puzzle is designed.
These recommendations are rather conditional, but you still should not deviate from them — primarily because a puzzle that is too “adult” may turn out to be too difficult for a child. In addition, kits for the older age category often contain small parts that a careless baby can inhale or swallow. The main age recommendations look like this:
from 3,
5,
6,
7,
8,
9,
10, from
12 and
14 years old.
This setting determines how time-consuming and demanding the process of assembling 3D puzzles is. Gradation by levels of complexity helps to select those models that correspond to the experience and skills of the user.
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Easy. Easy assembly level suitable for beginners and children. As a rule, these are the simplest models with a minimum number of moving parts. With a gradation of difficulty of 5 steps, the easy level is usually designated by the numbers “1” or “2,” but if there are 7 or 8 steps, by numbers from “1” to “3.”
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Average. The target audience of such models are users with some experience. This could include detailed cars, buildings with interior detailing, etc. For manufacturers with gradation of models into 5 levels of complexity, the average rank is indicated by the numbers “3” or “4”, for 7 levels - “4” or “5”, for 8 levels - from “4” to “6”.
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Advanced. Advanced level 3D puzzles are aimed at experienced modelers. They often contain a large number of small and detailed elements, complex and point connections, moving parts, and assembly may require the use of various auxiliary tools and materials. The advanced level is ranked as follows: for manufacturers with a 5-step difficulty scale it is designated by the number “5”, with a 7-step difficulty scale - by the numbers “6” and “7”, with an 8-step difficulty scale – by “7” and “8”.
The total number of individual pieces in the puzzle.
The larger this number, the more difficult the puzzle and at the same time the more interesting it is. At the same time, a small number of parts is not always a sign of simplicity: the parts may be small and may require some skill to assemble.
The most modest modern 3D puzzles contain
up to 25 pcs. Numbers
from 25 to 50 are generally considered small,
50 to 100 are considered average, and the most extensive sets can consist of
more than 100 and even
more than 200 parts.
