Seat of childcare apparatus

1. A seat of a childcare apparatus comprising:

a first board forming a seat and having a first hole in a thickness direction;

a cover board provided so as to cover said first hole and forming an air layer between said first board forming the seat and the cover board;

ventilating means for ventilating said air layer;

a stacked board provided so as to be stacked on said first board forming the seat and having a second hole in a thickness direction; and

moving means for relatively moving said second hole of the stacked board between a first position in which the second hole is aligned with said first hole of the first board and a second position in which the second hole is shifted from said first hole.

2. The seat of the childcare apparatus according to claim 1 , wherein said first board forming the seat is a backrest board.

3. The seat of the childcare apparatus according to claim 1 , wherein said cover board is provided on said stacked board.

4. The seat of the childcare apparatus according to claim 1 , wherein said ventilating means is a fan.

5. The seat of the childcare apparatus according to claim 1 , wherein said ventilating means comprises a ventilation hole.

6. The seat of the childcare apparatus according to claim 1 , wherein said cover board has a rising part that rises from said first board forming the seat or said cover board and said ventilating means is provided in said rising part.

7. The seat of the childcare apparatus according to claim 1 , wherein said cover board has a reflective surface.

8. The seat of the childcare apparatus according to claim 1 , wherein said first board forming the seat is a seat board.