This wooden Abacus by Schylling is a great first "calculator" for kids to learn counting, patterns, colors and more! The abacus is made of wood and the colored beads feature non-toxic paint. The many vivid wooden beads on the Abacus by Schylling slide smoothly on this classically styled, high-quality frame. Measures 10.5" tall.Ages 3 and up.By Schylling