2. Children can not stand up on climb ladder.
3. When children play at tree-house, they need to make sure keep enough space for another child.
4. Do not put rocks or sand on the slide. Children who want to slide down need to wait the front of person when he/she slide down and go away.
5. Rocks and sand are to stay on the ground for digging and building, etc. Rock throwers have to pick up and return to the original place.
6. Playing ball at concrete area, not at rock area.
7. If you hurt someone, you need to make him/her feel better. Say "Sorry" and give him/her a hug until he/she feel better.
8. If someone get hurt, everyone has responsibility to notice to adult and get help.
9. If the balls throw over the fence, children need to notice to adults. Adult can get it for children. Children need to play away from exit gate and only adults can remove the gate chain.
* Is it safe for all people?
* Is it friendly to each other?
* Am I taking care of myself, others and the environment?
2. Considering safe of 1 person:
* 1 person on a slide
* 1 person on a ladder
* 1 person on a walking board
* 1 person in a swing
* 1 person on the rope ladder
* 1 person on the climb ladder