MATH TREKKER ADDITION/SUBTRACTION by Learning Resources
Kids can practice math facts wherever they go! Instead of bulky flash cards, kids can carry this stylish, portable electronic math quiz with the built-in carabiner clipped to their backpack. Math Trekker™ is self-correcting, with positive reinforcement. The musical payoff and desire to "beat your score" is a motivator for kids. Plus, this electronic item is nearly the cost of a pack of flash cards. 3"