Save trees while learning arithmetic the tried and true way. 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 solid pine framed 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.