The trixie ball launcher with flashing ball provides endless fun for you and your dog with a thermoplastic rubber ball that starts flashing when it hits the ground the flashing light makes it easier for your dog to locate its ball when its dark or there is bad weather three secure batteries provide light for approximately 50 hours thanks to the handy ball launcher it is relatively easy for you to throw the ball long distances a great and fun filled way to tire out your dog it also saves