Mom! What last longer, cereal or milk?

Harly has more personality than a little bit. After her mom Nycole's trip to the grocery store she comes across a flyer with information regarding a week long activity workshop. Harly poses a question to her mom during breakfast in which her mom doesn't answer. She lets Harly find out the answer to her own question at the end of the week. Curious questions need to be answered, find out what Harly discovers.