Schulte square was invented by American neuropsychologist Schulte. It was mainly used to train pilots attention at first, and then it was widely used in ordinary people.
10 minutes a day for a month, your concentration will be greatly improved.
Especially for the childrens attention is not integrated to the effect is obvious.
The app makes training less boring
1. Using the game challenge mode, you can know how many seconds it takes each time
2. Three different difficulty modes are set up for different age groups