Educational Insights Multiplication Slam Requires 3 AA batteries (not included, Best with Polaroid AA Batteries) Mastering multiplication is a "slam" dunk with Multiplication Slam's 5 multiplication games! Reinforces multiplication concepts for numbers 19 Simply read the problem, scan the possible answers, and slam the correct answer! The faster you respond, the better your score. Missed problems are recycled until they're answered correctly. Perfect for practicing multiplication facts, multiples, factor pairs, and sequences Increasingly difficult levels, flashing lights, and fun sound effects keep kids slammin' for more! Includes portable, handheld Multiplication Slam device and instructional guide. Features 5 jammin' multiplication games! Grows with kids through years of math practice! Mastering multiplication is a "slam" dunk with Multiplication Slam's 5 multiplication games! Reinforces multiplication concepts for numbers 19. Simply read the problem, scan the possible answers, and slam the correct answer! The faster you respond, the better your score. Missed problems are recycled until they're answered correctly. Perfect for practicing multiplication facts, multiples, factor pairs, and sequences. Increasingly difficult levels, flashing lights, and fun sound effects keep kids slammin' for more! Includes portable, handheld Multiplication Slam device and instructional guide. Requires 3 AA batteries (not included). Features 5 jammin' multiplication games! Grows with kids through years of math practice! Requires 3 AA batteries (not included).