Frame Abacus (wooden) With Beads This wooden Abacus with 10 wire and 10 beads in each wire in 10 different color beads is a “calculator” that teaches math skills, pattern and color recognition, and more! Fun activity ideas included. Incredible value and superior craftsmanship characterize this childhood favorite. Brightly colored, smooth-sanded pieces help build early shape, color and size differentiation skills.