Electronic flash card game targets tricky times tables in a vertical problem format to let students practice and reinforce their multiplication skills again and again. Two levels of difficulty, in timed and untimed modes, allow children to play at their own pace to take the pressure out of learning. Battery-operated construction requires three AAA batteries (sold separately). Handheld game is designed for children ages 7 and above.Electronic flash card game targets tricky times tables in a vertical problem format to let students practice and reinforce their multiplication skills again and again. Two levels of difficulty, in timed and untimed modes, allow children to play at their own pace to take the pressure out of learning. Battery-operated construction requires three AAA batteries (sold separately). Handheld game is designed for children ages 7 and above.