Educational Games -Abacus Vintage Wooden Ancient Calculator Highlights Generic Abacus Vintage Wooden Ancient Calculator 9 Rows Vintage Chinese Wooden Bead Arithmetic Abacus with Box Classic Antique Calculator Counting Collection Gift for Children Adult Made of wooden materials high quality, non-toxic and very durable The box used classic ancient pattern design, exquisite workmanship, classic and generous, full of China's charm Conducive to cultivating and improving children's computing power, memory and attentiveness With an English brochure to tell you how to use the abacus Material: wooden Size Chart: Box Size: Approx. 15.5 x 10 x 3.5cm / 6.1 x 3.93 x 1.37inch Abacus Size: Approx. 13.7 x 8.7 x 1.7cm / 5.39 x 3.42 x 0.66inch Package includes: 1 piece Abacus 1 piece Wooden box 1 piece Instruction