Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Tashten's rule is simple! Just combine numbers and make them multiples of 10.
It is a number adventure where you can add or subtract, erase the number block, listen to the sound, answer, remember, shoot down. to venture into the mysterious world with various "number games".
It contains more than 30 different kinds of "number games". Let's enjoy the world made by fairies and the scenery like picture books.