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This 11-digit big soroban is intender for the teachers' use as teaching aids. The beads stay in place when they are moved upwards. Because of its size it is easily seen, even from the back of the class. Also because of the size of the beads a teacher can easily demonstrate a technique as a large visual aid, which is easy to handle.

The size available:
11 digits:
W600 * H290 * D50 mm
Weight: 1900 g