Question: “Is there a dog toy that is not only super durable and strong, but also super fun to use?” Answer: “Yes, the Jolly Egg™. Designed for constant, erratic movement, the Jolly Egg™ has a fun oval shape that dogs love to chase. They can never quite get a hold of the egg, but they love trying! Because the toy is constantly eluding your dog, it provides a safe and fun way for your dog to express their prey drive.