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Block Mania Whistles (pack of 12) by CarnivalSource.com! Your young party guests can whistle while they build with these Block Mania-themed noisemakers! Modeled after their favorite toy, each whistle has the familiar brick building patterns kids love and make noise too! A must-have party favor for the ever-growing popular party theme, Block Mania! Find more great items like this in our Block Mania Theme category here at CarnivalSource.com. Block Mania Whistles are the perfect party favor for your little builder! This pack of 12 whistles come in 6 assorted colors and are made of plastic. Each whistle is 2 inches long and perfect for kids ages 3 and up. Get your Block Mania Whistles today and have them shipped from our Missouri warehouse within one business day. With their familiar brick building patterns, these whistles will be a hit at your next party!
