“ Brand: Learning Resources „
"Create your own desktop sorting and grouping activities, including comparing and contrasting in any content area. Set of 15 Desktop Sorting Circles features 5 circles each in red, yellow and blue for hands-on Venn diagrams and more. Use manipulatives (available separately) for 3-D graphic organizers. Activity Guide included. Circles collapse for easy storage and measure 10"" in diameter each."