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ZM XMAG2 105 elementów - magnetic toy

magnetic toy

Catalog no 040211

GTIN/EAN: 5906301812371

5.00
Load capacity 0.03 kg / 0.26 N
Weight
0.03 g
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40.00 zł net / pcs

49.20 zł with VAT (23% VAT) / pcs

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Frequently asked questions

Are these magnets safe for children?
Small neodymium magnets are dangerous if swallowed — two magnets swallowed separately can join through the intestinal wall. Construction sets and magnetic balls are not toys for small children and require adult supervision. Check the age marking and the flux index before buying.
What happens if a magnet is dropped on a hard floor?
Sintered NdFeB is brittle and may crack or chip. A damaged coating exposes material that corrodes in damp air within hours. A cracked magnet should not stay in a child's set.
Can magnets damage electronic equipment?
A strong field can harm magnetic stripe cards, pacemakers and insulin pumps, and can disturb the compass in a phone. Keep sets away from such devices.

Guides from the knowledge base

Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical data - ZM XMAG2 105 elementów - magnetic toy

Specification / characteristics - ZM XMAG2 105 elementów - magnetic toy

properties
properties values
Cat. no. 040211
GTIN/EAN 5906301812371
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Weight 0.03 g
Load capacity ~ ? 0.03 kg / 0.26 N
Manufacturing Tolerance ±1 mm

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
properties values units
Vickers hardness ≥550 Hv
Density ≥7.4 g/cm3
Curie Temperature TC 310 °C
Curie Temperature TF 590 °F
Specific resistance 150 μΩ⋅cm
Bending strength 250 MPa
Compressive strength 1000~1100 MPa
Thermal expansion parallel (∥) to orientation (M) (3-4) x 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²
Technical and environmental data

Chemical composition

iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%

Ecology and recycling (GPSR)

recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 040211-2026
Measurement Calculator

Magnet pull force

Magnetic Field

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These blocks practically teach geometry, physics, and creative thinking, allowing understanding of 3D structures. It enables constructing chemical and architectural models, making it a great teaching aid. Playing teaches patience and precision, giving a lot of satisfaction from the finished work at the same time.
Safety is our priority, which is why the product meets rigorous safety standards (CE, EN71). The presence of small balls makes this product unsuitable for children under 3 years old. The ZM XMAG2 105 elementów set ensures safe fun while maintaining basic safety rules.
You can combine these elements with most magnetic (stick) blocks available on the market. Thanks to maintaining the dimensional standard, these blocks ideally complement existing collections. Thanks to this, you can mix sets, which gives unlimited possibilities.
In the package, you will find magnetic rods serving as edges and metal balls being the nodes of the structure. The sticks attract the balls, creating stable and movable connections. The ZM XMAG2 105 elementów set weighing 0.03 g ensures enough blocks to build interesting solids.
The key difference is magnet strength – we use strong neodymium magnets, not weak ferrite ones. In XMAG² blocks, the magnets are strong enough that buildings do not crumble under their own weight. We care about build quality, which ensures a long life of the toy

Advantages and disadvantages of neodymium magnets.

Pros

Besides their remarkable magnetic power, neodymium magnets offer the following advantages:
  • Their power is maintained, and after around 10 years it decreases only by ~1% (according to research),
  • They maintain their magnetic properties even under strong external field,
  • Thanks to the glossy finish, the plating of nickel, gold, or silver gives an visually attractive appearance,
  • Magnets possess excellent magnetic induction on the outer layer,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • Possibility of precise machining as well as modifying to specific conditions,
  • Fundamental importance in electronics industry – they find application in data components, electric drive systems, medical equipment, also other advanced devices.
  • Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Limitations

Disadvantages of neodymium magnets:
  • They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
  • When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • We suggest casing - magnetic mount, due to difficulties in creating threads inside the magnet and complicated shapes.
  • Possible danger related to microscopic parts of magnets are risky, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Additionally, small elements of these magnets are able to disrupt the diagnostic process medical after entering the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Detachment force of the magnet in optimal conditions – what it depends on?

Breakaway force was defined for the most favorable conditions, including:
  • on a plate made of structural steel, perfectly concentrating the magnetic field
  • whose thickness is min. 10 mm
  • with a plane perfectly flat
  • without any air gap between the magnet and steel
  • for force applied at a right angle (in the magnet axis)
  • at temperature room level

Determinants of practical lifting force of a magnet

Real force is influenced by specific conditions, such as (from priority):
  • Distance (between the magnet and the metal), since even a microscopic distance (e.g. 0.5 mm) can cause a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
  • Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of generating force.
  • Plate material – mild steel attracts best. Higher carbon content decrease magnetic permeability and lifting capacity.
  • Surface quality – the smoother and more polished the surface, the better the adhesion and higher the lifting capacity. Unevenness creates an air distance.
  • Thermal conditions – neodymium magnets have a negative temperature coefficient. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).

Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet and the plate decreases the holding force.

Warnings
Impact on smartphones

Note: neodymium magnets produce a field that disrupts sensitive sensors. Maintain a safe distance from your phone, tablet, and GPS.

Permanent damage

Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. Damage is permanent.

Powerful field

Before use, read the rules. Sudden snapping can destroy the magnet or injure your hand. Be predictive.

Finger safety

Large magnets can crush fingers in a fraction of a second. Under no circumstances place your hand between two attracting surfaces.

Keep away from computers

Avoid bringing magnets near a purse, computer, or screen. The magnetism can destroy these devices and erase data from cards.

Fragile material

Watch out for shards. Magnets can fracture upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.

Implant safety

People with a heart stimulator have to maintain an large gap from magnets. The magnetic field can stop the functioning of the implant.

Swallowing risk

These products are not intended for children. Accidental ingestion of multiple magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and requires immediate surgery.

Dust is flammable

Combustion risk: Rare earth powder is highly flammable. Avoid machining magnets in home conditions as this may cause fire.

Sensitization to coating

It is widely known that nickel (the usual finish) is a strong allergen. If your skin reacts to metals, refrain from direct skin contact and opt for versions in plastic housing.

Danger! Details about risks in the article: Magnet Safety Guide.