Teachers create their own specialty spinners for games or probability activities. 4" square plastic with a free-spinning, arrow spinner. Each set includes 10 spinners. Sold as 3 sets for a total of 30 spinners.. Watch probability in action. Conduct probability experiments, collect data and learn about ratios. Children will be fascinated by the randomness of the spinner!. Design your own games. Create a simple yes/no spinner or segment the spinner into numbers or colors for use in a game... they are a useful, flexible learning tool.. Encourage student participation. Students can spin to take turns answering questions, reading out loud or performing classroom duties.. Use wet-erase or permanent markers to divide, label and customize.. 10 per set, sold as 3 sets, 30 spinners total. 6-13 years. Grade 1-8