This document provides 10 ideas for teaching activities that can be done with no materials. 1) Noughts & Crosses - A grammar-based variation of the game using numbers and quantities. 2) Taboo - Students describe words without using forbidden "taboo" words for others to guess. 3) Back to the Board - One student faces away as words are written for others to describe for them to guess. 4) Charades - Students act out sentences without words for their group to guess.