This is a wooden Estonian abacus, an ancient calculator was used at schools and in shops. It measures 12.7 X 7.9 inches (32.2 X 20 cm).
I ship all around the world. It takes about two weeks to the parcel to arrive to US, Canada, about three weeks to Australia, New Zealand, Singapore, China and Japan and about a week to ten days to Europe.
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ON SALE Wooden vintage abacus dark brown natural school antique primitive calculator computer