Magnetic Discovery Bottles by Preschool Inspirations
Word wall center, children read the word to a partner, then build the word with the magnet letters. This is made with a large oil drip pan from an auto parts store:)
Magnet unit printable
Magnet Activities-Free Booklet
Students practice spelling each others names...could do with sight words too!
Magnet activities for science.
Little Miss Hypothesis - Lessons from the Science Lab: Magnet Mania!
Magnets on the back of puzzle pieces ... put together on a cookie sheet (also a great travel activity).