Some of the Japanese children's lessons also deal with imagination and fantasy. Some projects are three-dimensional as well. Be sure to do the activities and projects yourself before you teach the lesson. Make a list of the materials as you use them. It is best way to be sure you have planned for everything.
Every experience is a chance get better.
Make notes of successes and shortcomings. As in any skill, we seek to make the best of our strengths and try to remedy our weaknesses. The results of this lesson can help you assess the students' needs and plan for appropriate follow-up learning. List some lesson ideas you think would be appropriate. Make yourself notes to repeat the best parts of the lesson next time you teach it.