Please note this is a pre-owned video game and some online features or downloadable content may not be included or still in service. Any bonus content/DLC codes may have already been used or be expired and are not expected to be valid
-"Complete in Box" Refers to an item that includes original cartridge, case, manual (physical or digital), and cover art.
-"No Manual" Refers to an item that includes the original cartridge, case, and cover art.
-"Cartridge Only" is a loose cartridge and does not include a case, cover art or inserts.
*PLEASE NOTE* In any tier of condition, there may be imperfections present. Significant imperfections will be noted. All carts are in working order, regardless of aesthetic condition, and have been tested unless otherwise stated.
Cover art may slightly differ from stock photo.
The foundation of Dr Kageyama's Maths Training is 100 square calculations a method conceived by Kageyama Hidea, a Japanese elementary school principal. The DS is held side ways like a book and all answers are written using the stylus. The key principal of the software is repetition which according to Kageyama stimulates the brain. The main exercise 100 cells maths, consists of 100 hundred simple maths problems combined into a 10 by 10 grid using the numbers at the top and side of the grid. There are however many other exercises, ranging from simple one digit math problems to slightly more complex three digit challenges.