Siren whistle

Deluxe Siren Whistle The One Stop Fun Shop

Neon Whizzer Whistles 6-pk, $2.00 - $2.99, Neon Whizzer Whistles 6-pk from Therapy Shoppe Whizzer Whistles, Oral Motor Tools Toys

ACME Siren Whistle

Vintage Acme Chrome Siren Whistle

Lip Siren Whistles - 12 Count: Rebecca's Toys & Prizes

Mouth Lip Siren Whistle, Siren Whistle Toy, Loot Bags Toys, Filler Loot

Acme Siren 147 Whistle

Kizer Siren 1 EDC Whistle Bottle Opener Keychain Purple Titanium T106A

Loud Siren Whistle Acme – Lark in the Morning

Acme Siren Whistle 147

large lot of vintage whistles included a very rare bakealite siren whistle