Kids love colorful party favors that make noise, and these are just the ticket. Set includes three whistles attached to a key chain. Kids can attach to their belt loops or backpacks for whistling fun anytime of the day. Whistles are not color coordinated, adding to the colorful fun. Key chain on one, for example, is blue and features an attached yellow whistle. Other is yellow with a bright pink whistle. Ideal for party game prizes or favor bags. Measure 4 3/4" long. Not recommended for children under 3.