I created this antonym game to use in my second grade class and I thought other teachers might find it useful, as well. There are 30 cards. I printed them out on tagboard, laminated them and cut them out. Just give each child a card and then either hold onto the extras, or give them out as well (some kids have 2 cards). I usually read the first clue and the game begins that way. We try to see if we can improve our time each time we play. The kids love this game!
I hope you find it useful!