Hello? This is Suirang, the people who are with Jesus.
 
 In the 3rd week of February, the science activity was a conversation about the parable of the mustard seed according to the text.  after 
 surfactant and  A scientific activity that can test the surface tension of water  It is a study book.
 
 You can see how to do this by searching for Suirang TV on YouTube. 
 
 You can find out how to do this by searching Suirang TV on YouTube!
 
 After payment, the download file will be emailed to you. 
 You can download and use it for 30 days.