Portable metal abacus
Size is approximately 10cm wide.
A metal rhombus abacus, perfect for educational purposes.
It seems this abacus was devised to be portable.
I believe it is patented.
- Material: Metal
- Shape: Rhombus
- Storage Case: Metal case
- Use: Math education
Thank you for looking.
A metal rhombus abacus, perfect for educational purposes.
It seems this abacus was devised to be portable.
I believe it is patented.
- Material: Metal
- Shape: Rhombus
- Storage Case: Metal case
- Use: Math education
Thank you for looking.
Category
Abacuses
Condition
No noticeable scratches or marks
Shipping
Included in price (by seller)
From
Chiba
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