This Abacus a tool for teaching math concepts, organizational skills, sequential skills, and spatial relations, its also great for color and shape recognition. Manipulative like blocks are one of the keys to successful cognitive development and constructive learning. This develops your child perception of color and cognition of shape, improve their ability to practice. Made of high-quality solid wood painted with kids friendly paint, also non toxic, no sharp edges hence safe for kids. It is made up of wood and wire which makes it durable.