Playme Design Counting Beads
A detachable abacus! Now say that three times fast. Learn addition and subtraction in a joyful and flexible approach. These colorful bead-bars\ each with 10 beads\ can be completely separated or stacked up like a traditional abacus set. Starting with only one or two bars helps children focus on simple counting without overwhelming them with larger numbers. They can stack these bars in different heights or connect them to construct various shapes and designs."
Includes 10 bars in 5 different colors and 4 large 8\ x 6\" double-sided picture cards\ which provide examples of math learning and play. Made with high-quality beechwood. For ages 3 years and up."