Blow them real hard and they sound like a missile. Everyone loves a flashing whistle. Item Dimensions: Height: 1.25 in. , 3.17 cm. Length: 2.25 in. , 5.71 cm. Width: 0.9 in. , 2.28 cm. Necklace: 32 in. , 81.28 cm. Packaging Dimensions: Height: 5.6 cm. , 14.22 cm. Width: 3 in. , 7.62 cm. Depth: 1.5 in. , 3.81 cm. LED Colors: 2 Blue, 1 Green, 2 Orange, 3 Red Batteries: Requires and Includes 3 AG10 Batteries. Batteries replaceable using small Phillips head screwdriver.
