This classic pattern, natural slate chalkboard includes a calculator that never needs batteries. The Abacus has two rows of ten solid wood beads on stainless steel wires. The slate is framed in solid pine.  The natural slate will last a lifetime of use.

Outside Dimensions: 9.5 x 7.5 inch (24 cm x 19 cm)
Chalkboard measures: 5 x 6 inch (13 cm x 15 cm)

Made in Portugal.