1, the child's observation is not enough.

2. Children's carpal bones and muscle tissues are underdeveloped.

The writing specifications of each number are as follows:

1, pencil 1, top right to bottom left, all irrelevant.

2, duck 2, the upper half is semi-circular, the upper left and right are three, and the lower half is horizontal.

3, butterfly 3, the upper and lower semicircles are large and small, and the upper midline is the boundary.

4. Sailing boat 4, with straight strokes and slightly inclined vertical paintings as 1.

5. hook 5. If the lower lap is full, cross the center line.

6. Whistle 6. The lower circle is full and crosses the center line.

7, crutches 7, the upper horizontal flat does not touch the top, crutches touch the middle of the ground.

8, gourd 8, the upper and lower circles are large and small, and the gourd mouth is open at the upper right.

9, balloon 9, the upper circle is full of squares, and the rope is hanging in the middle of the ground.

10, 1 0 digit of 1, such as 1, the unit is 0, which occupies the two squares on the right obliquely, and the inclination angle is1.