Learning key math concepts is easy as 1-2-3 with these lively little books children can read all by themselves! Inside this sturdy little box, you'll find 25 fun-filled titles on the topics kids needs to know-numbers, counting, addition, subtraction, shapes, simple fractions, sets, time, measurement, patterns, and more-PLUS a handy parent guide. A great way to set stage for school success in reading and math! For use with Grades PreK-1.