• Blow out loud and make some noise with our LEDRedDrum Whistles!
• Each light-up whistle measures 2" and has a colorful fabric lanyard attached to it, so you can wear it around your neck.
• Each LED Whistle feature flashing red, green, blue, and yellow LEDs. Perfect party favors for birthdays, Valentine's Day, rave parties, and night parties.
• Batteries are included and installed.