★ Over 200 units sold, with "Like!" ratings from purchasers. The product quality is assured. Please be careful of cheap, inferior imitations. ・New, unused, free shipping 【Genuine High Quality】Javelic Ball 2-Piece Set #【Genuine High Quality】Javelic Ball Single Item #【Genuine High Quality】Javelic Ball 2-Piece Set ・Officially used as an event in junior high school track and field competitions, such as the Junior Olympics. It can also be used as a training javelin ball for the javelin throw. ・For training javelin throwing, checking baseball/softball throwing form, and for practicing throwing in all other sports. Because you throw using your whole body, it is also suitable for whole-body muscle strength, core strength, and balance training. ・With this Javelic ball, children can learn the correct way to throw and form while playing. It's shaped like a bow and arrow, fun for children and adults alike. Use it for catch with your kids in the park. ・The polyurethane rocket-shaped ball is lightweight, making it safe, and children can practice throwing baseball and softball while playing. ・To throw straight, the steps up to the throw, weight transfer, arm swing, wrist snap, and posture all work together to make the ball fly straight, which is useful for practicing and improving throwing form.