Abcsea 1 Piece Abacus 13 Digits, Abacus Chinese Vintage, Abacus Wooden, for Arithmetic Mathematic Education

Description

• Parcel: Including 1 piece wood Chinese style abacus.
• One trillion, thirteen gears, 7 beads abacus, can meet general arithmetic requirements, study or using.
• Smooth corners, do not hurt hands. ABS bead, resistant to falling, no peculiar smell.
• The two beads in the upper row are counted as "5", the five beads in the lower row are counted as "1", when reachs to ten, then go to 1 to the next unit.
• Suitable for adults and teenagers, but not kids, to avoid they swallow the beads.

Product Category:

Chinese style abacus

Material and colors:

The frame is made of wood, the beads are adopted ABS, black.

Sizes:

As shown in the pictures above, but they were measured by hand, could have some very tiny errors in the data.

Features:

1: One trillion, thirteen gears, 7 beads abacus, can meet general arithmetic requirements, study or using.

2: Small, easy to carry, smooth corners, do not hurt hands. ABS bead, resistant to falling, no peculiar smell.

Reminder:

Please don't break it down.

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