Have fun while learning with our Calculation chain: 100 plastic spheres (10 mm diameter) on an elastic cord (length 150 cm). Playfully promotes numerical reasoning and facilitates access to numerical space up to 100 and abstract mathematics. Made of RE plastic: sustainable and 100% recycled, it meets the DIN EN71-3 standard. Our company has more than a 40 years long commitment in the education and training of children. Made in Germany in accompliance with all European regulations.
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