Material: Wooden Size: 15.5 * 15cm Recommended age 3 + Years This wooden "calculator" helps teach math skills, patterning and colour recognition Slide and count the beads with this timeless counting frame Handcrafted wooden construction Non-toxic paints and finishes Small Mini Abacus Here is a very nice abacus! This "calculator" for centuries proven features a multi colored design for kids! This small abacus awaken the child\'s motor skills and develop the learning of mathematics!