I have confirmed that it is working. Batteries are included, so you can use it right away. Calculation Master for Addition and Subtraction Multiplication Table Band, Multiplication Table Poster The photos show everything. Except for the poster, it has hardly been used. Please refrain from purchasing if you are concerned about minor imperfections as it has been stored at home. The poster has some tears and folds, so please consider it as an extra. Benesse Kodomo Challenge You can learn through games.