Description It is durable and practical. It is a funny musical slide whistle, which can make a sound like the bird call, perfect gift for your children. The product style is realistic, and the workmanship is fine, kids will like it. It is also an outdoor whistle prop. Features -Color: Random color. -Material: Plastic. -Size: About 12.00X0.90X0.90cm/4.72X0.35X0.35inch. -The sound is like the early morning birds, very melodious sounds. -Small and delicate, lovely shape design, the slide whistle toy can win kid's love. -Pull the wire below while blowing, adjust the rhythm, and easily learn the calls of various birds! -Mini interesting bird flute belongs to the folk musical instruments, convenient to use. -The whistle toy is lightweight, easy and convenient to carry and store when not in use.Package listing: 40 x bird whistles