The 9" round plates are the starter targets for the kids, why just a round plate round? so the instructor can also have a starting place and guide the kids from that point on, The kids and instructors are aloud a time period, so the number of rounds are not important .
The Second target is the dominate eye adjusted target, the lose goal, is to put 5 or so rounds in each triangle
Click the target below to download your own triangle practice target