Description
- 100 magnetic balls with 5 mm diameter
- Ferrite material Magnet with a strong: NdFeB 38
- Sheath Material: Ferrite Alloy Material, High Quality Oxide
- Adhesive strength per magnet (approx.) : 0.15 kg (non-metallic magnet) - 0.3 kg (magnetic magnet)
- New: Creat creativity without limits with different structures, improves dexterity and memory, easy to carry, hours of endless fun.
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