4 years & up. With colorful wooden beads, this Abacus Educational Toy serves as a visual math aid for your child's first encounters with arithmetic. Children can practice adding and subtracting while sliding the wooden beads over the metal arches mounted on the sturdy wooden frame. Encourages fine motor skills and color recognition while reinforcing mathematical concepts. Beads come in 10 different colors. Abacus measures 12" x 3.3" x 5.9".