you have something hidden inside a box for the students. in my case, it was the answer to a secret. the students have to work together to physically open the box. the box usually includes a variety of locks that are opened by the students working together to solve them.
my students are young and this was their first time with a box. so, i kept it simple.
i started by telling my class i had a big secret to share, but they needed to work to find it out. the secret was hidden inside the box. i told them they needed to look for clues to help them open it.
i then 