Here are some activities I created to develop each of Howard Gardner's multiple intelligences:
Musical Intelligence: Learn an instrument or compose a song about your day. Sing in the shower or along to music in the car.
Logical-Mathematical Intelligence: Do math puzzles or brain teasers. Balance your checkbook. Plan a budget or schedule.
Linguistic Intelligence: Write a story, poem or letter. Read books aloud or have a debate.
Spatial Intelligence: Do a jigsaw or tangram puzzle. Build with blocks. Draw or doodle.
Bodily-Kinesthetic Intelligence: Dance to music or do yoga. Play a sport. Garden or do crafts with your