This ones for older students and can push students to use several different kinds of prompts in their writing. I love that it is visually stimulating and therefore students are more likely to refer to it when writing in class.
TEACH YOUR CHILD TO READ - Learn fractions in a creative way by making these fraction flowers out of paper plates- includes a set of printable fraction circles. This makes learning math fun! Super Effective Program Teaches Children Of All Ages To Read.