Unshudo Okeso Soroban (Abacus) - 2 Pieces [Features 1] Large beads, easy for beginners to use [Features 2] Easy-to-see yellow beads, a fresh image with a blue frame [Features 3] Comes with place value stickers for easy understanding [Materials] Frame: ABS resin / Beads: Styrene resin [Size] 67 x 260 x 20mm / Weight 140g Set of 2. Thank you. (^^)