Brain Games This set of activities includes picture analogies, pictures with parts missing, classification, math picture analogies, vocabulary and visual absurdities. Use these brain puzzles to encourage your students to problem solve and use critical thinking. These activities work well as a daily warm-up, enrichment, extension lesson, in a gifted and talented lesson or just a brain break from pencil and paper. It is also a great tool to increase vocabulary! Analogies build cognitive skills l