楽しい理科２－小学４年

・ Learn science in the 4th grade of elementary school while solving problems.
・ You can enjoy learning with many pictures.
・ In 1 question 1 answer, the wrong question will be asked repeatedly by the correct answer deletion function. In addition, since the correct / incorrect history is automatically recorded, only incorrect questions or questions with a specific score (eg 80 points) or less can be executed.