I have created these trading cards to use when I introduce the related concept to my class. It helps my students to relate to an "action figure" that can help them when they are stuck. Young children also like to collect things so I made these to assist my students as they enjoy collecting these to use in a small photo brag book.
All cards use royalty free clip art and I used:
You can use this as a slideshow or use the cards in other lessons.