Abacus 3-piece set 5-bead, 23-digit, 7.5 x 33 cm Printed on the back 4-bead, 27-digit, 7 x 40 cm Signs of aging on the wood grain 4-bead, 27-digit, 6 x 39 cm Rust on the metal parts on both sides Please purchase only if you understand that these are used items.