FOR SALE IS ONE (1) VINTAGE USED PLASTIC SLIDE WHISTLE FLUTE. TRULY VINTAGE, 4 inch LENGTH, 50+ YEARS OLD LIKELY FROM 50s or 60s, TESTED PERFECT. THIS IS A SIMPLE WIND INSTRUMENT MADE OF PLASTIC THAT PRODUCES A RANGE OF MUSICAL PITCHES BY SLIDING THE PISTON IN AND OUT, WHILE BLOWING THROUGH A FIPPLE MOUTHPIECE, SIMILAR TO A RECORDER. THESE SIMPLE PLASTIC WHISTLES WERE POPULAR AS TOYS AND NOVELTIES CREATING OLD FASHIONED FUN. CREST TOOTHPASTE INCLUDED A SLIDE WHISTLE LIKE THIS WITH SELECT TUBES OF CREST TOOTHPASTE DURING THE 60s, PART OF CREST'S ADVERTISING CAMPAIGNE TO ENCOURAGE KIDS TO START THEIR OWN JUNIOR BAND. THIS STYLE WHISTLE WITH A TUBE OF CREST TOOTHPASTE BACK IN THE 60s. THIS PIECE IS MARKED MADE IN HONG KONG. YOU WILL RECEIVE ONE (1) VINTAGE USED SLIDE WHISTLE FLUTE, AS PICTURED, SHIPPED BY USPS.... How It Works, The slide whistle creates a continuous glissando (sliding pitch) as the user moves the slide, changing the length of the air column inside the tube. This allows for both comedic sound effects and basic melodies, making it a staple in novelty music and children's toys. BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK AND TEN+ YEARS EXPERIENCE. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $4.81 USPS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.....