To help my junior students remember new words I give them "magic" glasses. Children have a special task. They get a word list full of mistakes. "Real" wizards wearing this glasses can easily find the wrong words and set them right.
My kids enjoy doing this task. They likethe glasses and of course the moment when they become teachers and correct the mistakes:)
It is very easy to make such glasses. I've found the picture in the Internet(http://diyfashion.about.com/od/maskandmasquerade/ss/Spectrespecs.htm#step2). Here it is: