MAKE PRACTICE FUN: Forget the flash cards and practice math operations the fun way; with electronic games like Math Whiz, you can enjoy learning as much as your brain does 3 MODES OF PLAY - Maximize the skill-building with Drill Mode, featuring a progressively more difficult sequence of problems; Challenge Mode, a numbers elimination game; and Calculator Mode MULTI-GRADE VERSATILITY: 8 levels of difficulty for each skill allow Math Whiz to grow with your child as their learning progresses INCLUDES: Math Whiz math game with 3 modes of play at 8 difficulty levels for each skill; compact design makes this perfect for on-the-go learning! Requires 2 AAA batteries (not included) THE PERFECT GIFT - Have an upcoming birthday or holiday? Our toys & games make the perfect activity for the home or classroom, no matter the occasion