Nerf N-Strike Dual-Strike Blaster Fires 1 dart at a time. Switch between Elite and Mega darts by moving the switch. Mega Whistler darts scream through the air. Contents: A Nerf N-Strike Elite Dual-Strike Blaster, Blaster 3 Elite darts, 3 Mega Whistler darts... Batteries Not Required. Do not modify darts or dart blaster