show-and-tell
nounUK /ˌʃəʊ ən ˈtel/
US /ˌʃoʊ ən ˈtel/
A time when kids bring something from home and talk about it at school.
For show-and-tell, Mia brought her pet turtle to class.
OTHER MEANINGS
2. A school activity where children show an item and explain it to classmates.
The teacher scheduled show-and-tell every Friday afternoon.
3. Any informal presentation where someone displays something and talks about it.
The team meeting turned into a show-and-tell of new project ideas.
4. The item brought for such an activity.
His show-and-tell was a shiny rock he found at the beach.