1.What is the problem chosen as for starting the project.
Answer : The children did not know the types of tree.
2. Cause
Answer : There is no help for children to know the name of tree.
3.Solution
Answer : Stick a QR code with the types of tree on the tree.
4. Target
Answer : Let the children know the types of tree.
5. Principles, doctrines and virtues.
Answer : Want to know what around.