Help your child build an impressive vocabulary. This set teaches your child about opposite words. There are 25 self-correcting match ups with opposites like sleep-awake, alight-board. Your child has to choose the correct meaning of words that are opposite in meaning and match the two pieces with the help of picture or written clues. Your child will also understand the basic concepts of language and use these antonyms (opposites) in simple sentences and learn that many words have opposites.