Wooden brown abacus, perfect for calculations with a traditional design. - Type: Abacus - Material: Wood - Color: Brown Size: Length: 6.5 cm Width: 39 cm Height: 1.7 cm Made by Unshudo. Stamped inside with "Shoko no Saku" (昭光ノ作). As seen in photos 4 and 5, the side frame is loose and moves. Please understand that this is a used item as it has been stored at home for a long time. Thank you for looking.