The N18 Periodic Table is outdoor equipment with 118 rotating cubes: one cube, one element. The element's data and Braille labels on the faces let children search, compare and read with their fingers. It works well in schools, education centres and public spaces.
It all starts at a single cube: the child turns it in the frame, finds the symbol, then checks what is in the same column. Where did this order come from in the first place? In 1869 Dmitri Mendeleev arranged the sixty or so elements known at the time from lightest to heaviest and noticed that their properties repeat at intervals - that is how the columns came about. Where the order did not fit, he left gaps and described the properties of the element that would one day fill each of them. Gallium was discovered six years later and germanium seventeen years after Mendeleev published his table - exactly as he had predicted.
The equipment stands outdoors all year round, so it has to withstand rain, frost and sun without becoming hard to read. The frame is galvanised and powder-coated, and the print on the cubes is protected with a laminate with increased UV resistance, so the symbols and numbers do not fade in the sun. The only moving parts are the rotating cubes - the equipment works without electricity or electronics, and the whole of it is covered by a warranty. The manufacturer is EduPlayground, and the periodic table is made in Poland.
Symbols learnt before the first chemistry lesson
Fe, Au, O, Na - the child picks up these symbols in passing, turning the cubes and looking for them on the equipment. By the first chemistry lesson, the symbols are no longer a list to learn by heart, but signs familiar from the equipment in the playground.
Equipment accessible to blind people
Blind and partially sighted people also use the equipment, because the elements can be read by touch. The periodic table won place 2 in the Accessibility Leader competition run by the Polish Ministry of Development and Technology.
A memory game across the whole equipment
The equipment also works as a memory game: someone sets up five elements, the others recreate them from memory, then add a sixth. Looking for one symbol among all of them teaches order - by columns and rows, as in a table of contents.
What's inside the equipment
Three parts: the cube carries the data, the frame organises the layout, and Braille gives access by touch.
Rotating element cube
One cube is one element. When turned, it shows the full set of data: atomic number, symbol, Polish name, atomic mass and electronegativity. The child turns it by hand, so looking for oxygen or gold starts with movement, not with reading a list.
Frame laid out in groups and periods
The cubes sit in the frame in the same grid as in the school table: vertical columns are groups, horizontal rows are periods. To get from hydrogen to the last cube, you have to walk the length of the whole equipment - here the order of chemistry is measured in steps.
Braille labels
The cubes carry stickers with Braille lettering. A blind child looks for an element with their fingers at the same equipment as the rest of the group, and sighted children get to touch a script they had previously only heard about.
Specification
Technical data
Front view - from technical drawing N18.
Catalogue no.
N18
Dimensions
length: 374 cm | width: 12 cm | height: 178 cm
Safety zone
6.75 x 3.1 m
Children's age
from 7 years
Material
Steel frame with rotating elements in the form of cubes made of dibond-type panels. Print protected with a laminate with increased resistance to UV radiation. Main structural profile made of black steel, open profile.
Protection
Galvanised, powder-coated frame
Colour
Green (RAL 6018), purple (RAL 4006).
Installation
Galvanised steel anchors L=75 cm, set in the ground and concreted in; bolted connection to the equipment.
Before the equipment goes into the playground, our adviser will help you plan all the technical details. We are with you at every stage of the project, sharing our knowledge and experience so that the equipment serves children as well as possible for many years.
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