To celebrate the 100^th day of school, second grade created mystery bottles filled with 100 mysterious items. Each student came up with 3 clues about their mystery bottle. After hiding the bottle in a bag, students brought their project to school and participated in the Case of the Mystery 100^th Day Bottle. Students presented their three clues to the class. After each clue, the class wrote a prediction about what they thought the item was. Finally each student opened their bag and revealed the mystery 100 items in their bottle. Students enjoyed being detectives in order to solve the Case of the Mystery 100^th Day Bottle.