Melissa & Doug Add & Subtract Abacus option2-value-Multi-Colored back and abdominal muscles

back and abdominal muscles

Balls: SmartMax balls are attracted by all bars

This balance idea may be extended into early algebra

engaging tools and hands-on activities

An interactive exercise in rhyming and predictable text

Melissa & Doug Add & Subtract Abacus option2-value-Multi-Colored back and abdominal musclesIdeal for the classroom or the playroom, this classic toy gives kids lots of ways to explore numbers, colors, and patterns! Just slide the two double sided wooden boards into the base, then encourage kids to solve equations by lining up the correct number of beads on the addition and subtraction sides or follow the patterns on the color matching sides. This abacus is one colorful, educational powerhouse! Dimensions: 7" x 13" x 4". Ages: 2+.