This Turbo Extreme Cartridge Includes hundreds of critical skills kids need to know for 1st grade. Plus, two additional games including Beat the Clock and Bonanza add to the fun. In Beat the Clock, you have to think fast to answer questions before time runs out. With Bonanza, you'll challenge your friends to win the game. Don't get caught with the "Hot Banana!." Covers four subjects: spelling, math, science and social studies. Includes 500 additional spelling words, 300 new science and social studies facts and over 50 math skills - addition and subtraction.

For use with the Turbo Twist Extreme learning system, sold separately.