คุณลักษณะ

• Under the theme of "How do I make my own heating pad with the same properties as a commercial heating pad?" (1) how the contents are examined (analysis) (2) the performance is confirmed by experiments (3) the warmers are designed and prepared by oneself based on the results (4) the properties are compared with those of commercially available warmers.
• They help to cultivate the scientific thought process (research - prediction - experiment - consideration).