This activity helps students make associations (which also helps develop vocabulary). The teacher needs a set of flashcards with colors, shapes, letters, or numbers etc. For a quick brain break randomly flash a card, students must quickly find five things in the classroom the correspond to that card. For example, flash a square, students tell their shoulder partner or team 5 items in the room that are square, contain a square, etc. Flash red, find 5 red items. Flash “L” find five items that start with L or find the letter L posted in 5 places in the room. Flash 3 and students must find 5 things that come in threes in the room.