Handheld flash-card game targets tricky times tables - play just the ones you want or select them all! Answer as many problems (numbers 0-12) as you can in 60 seconds. Vertical problem format, 2 skill levels, timed/untimed modes plus fun sound effects. Measures 4-1/2" in diameter. Requires 3 AAA batteries, not included. Grades 2 and up.